86859520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 235468800

約数和(自身を除く): 148609280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 199, 220, 248, 256, 310, 320, 341, 352, 398, 440, 496, 620, 640, 682, 704, 796, 880, 992, 995, 1240, 1280, 1364, 1408, 1592, 1705, 1760, 1984, 1990, 2189, 2480, 2728, 2816, 3184, 3410, 3520, 3968, 3980, 4378, 4960, 5456, 6169, 6368, 6820, 7040, 7936, 7960, 8756, 9920, 10912, 10945, 12338, 12736, 13640, 14080, 15920, 17512, 19840, 21824, 21890, 24676, 25472, 27280, 30845, 31840, 35024, 39680, 43648, 43780, 49352, 50944, 54560, 61690, 63680, 67859, 70048, 87296, 87560, 98704, 109120, 123380, 127360, 135718, 140096, 175120, 197408, 218240, 246760, 254720, 271436, 280192, 339295, 350240, 394816, 436480, 493520, 542872, 560384, 678590, 700480, 789632, 987040, 1085744, 1357180, 1400960, 1579264, 1974080, 2171488, 2714360, 2801920, 3948160, 4342976, 5428720, 7896320, 8685952, 10857440, 17371904, 21714880, 43429760, 86859520]

約数ペア:

[(1, 86859520), (2, 43429760), (4, 21714880), (5, 17371904), (8, 10857440), (10, 8685952), (11, 7896320), (16, 5428720), (20, 4342976), (22, 3948160), (31, 2801920), (32, 2714360), (40, 2171488), (44, 1974080), (55, 1579264), (62, 1400960), (64, 1357180), (80, 1085744), (88, 987040), (110, 789632), (124, 700480), (128, 678590), (155, 560384), (160, 542872), (176, 493520), (199, 436480), (220, 394816), (248, 350240), (256, 339295), (310, 280192), (320, 271436), (341, 254720), (352, 246760), (398, 218240), (440, 197408), (496, 175120), (620, 140096), (640, 135718), (682, 127360), (704, 123380), (796, 109120), (880, 98704), (992, 87560), (995, 87296), (1240, 70048), (1280, 67859), (1364, 63680), (1408, 61690), (1592, 54560), (1705, 50944), (1760, 49352), (1984, 43780), (1990, 43648), (2189, 39680), (2480, 35024), (2728, 31840), (2816, 30845), (3184, 27280), (3410, 25472), (3520, 24676), (3968, 21890), (3980, 21824), (4378, 19840), (4960, 17512), (5456, 15920), (6169, 14080), (6368, 13640), (6820, 12736), (7040, 12338), (7936, 10945), (7960, 10912), (8756, 9920)]