20851919360

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13829}}^1$

素因数の和:13902

約数の個数: 160

約数和(自身を含む): 54328665600

約数和(自身を除く): 33476746240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2560, 2945, 3040, 3968, 4712, 4864, 4960, 5890, 6080, 7936, 9424, 9728, 9920, 11780, 12160, 13829, 15872, 18848, 19840, 23560, 24320, 27658, 37696, 39680, 47120, 48640, 55316, 69145, 75392, 79360, 94240, 110632, 138290, 150784, 188480, 221264, 262751, 276580, 301568, 376960, 428699, 442528, 525502, 553160, 753920, 857398, 885056, 1051004, 1106320, 1313755, 1507840, 1714796, 1770112, 2102008, 2143495, 2212640, 2627510, 3429592, 3540224, 4204016, 4286990, 4425280, 5255020, 6859184, 7080448, 8145281, 8408032, 8573980, 8850560, 10510040, 13718368, 16290562, 16816064, 17147960, 17701120, 21020080, 27436736, 32581124, 33632128, 34295920, 35402240, 40726405, 42040160, 54873472, 65162248, 67264256, 68591840, 81452810, 84080320, 109746944, 130324496, 134528512, 137183680, 162905620, 168160640, 219493888, 260648992, 274367360, 325811240, 336321280, 521297984, 548734720, 651622480, 672642560, 1042595968, 1097469440, 1303244960, 2085191936, 2606489920, 4170383872, 5212979840, 10425959680, 20851919360]

約数ペア:

[(1, 20851919360), (2, 10425959680), (4, 5212979840), (5, 4170383872), (8, 2606489920), (10, 2085191936), (16, 1303244960), (19, 1097469440), (20, 1042595968), (31, 672642560), (32, 651622480), (38, 548734720), (40, 521297984), (62, 336321280), (64, 325811240), (76, 274367360), (80, 260648992), (95, 219493888), (124, 168160640), (128, 162905620), (152, 137183680), (155, 134528512), (160, 130324496), (190, 109746944), (248, 84080320), (256, 81452810), (304, 68591840), (310, 67264256), (320, 65162248), (380, 54873472), (496, 42040160), (512, 40726405), (589, 35402240), (608, 34295920), (620, 33632128), (640, 32581124), (760, 27436736), (992, 21020080), (1178, 17701120), (1216, 17147960), (1240, 16816064), (1280, 16290562), (1520, 13718368), (1984, 10510040), (2356, 8850560), (2432, 8573980), (2480, 8408032), (2560, 8145281), (2945, 7080448), (3040, 6859184), (3968, 5255020), (4712, 4425280), (4864, 4286990), (4960, 4204016), (5890, 3540224), (6080, 3429592), (7936, 2627510), (9424, 2212640), (9728, 2143495), (9920, 2102008), (11780, 1770112), (12160, 1714796), (13829, 1507840), (15872, 1313755), (18848, 1106320), (19840, 1051004), (23560, 885056), (24320, 857398), (27658, 753920), (37696, 553160), (39680, 525502), (47120, 442528), (48640, 428699), (55316, 376960), (69145, 301568), (75392, 276580), (79360, 262751), (94240, 221264), (110632, 188480), (138290, 150784)]