25784341760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{7829}}^1$

素因数の和:7964

約数の個数: 144

約数和(自身を含む): 64530224640

約数和(自身を除く): 38745882880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 155, 160, 166, 248, 256, 310, 320, 332, 415, 496, 620, 640, 664, 830, 992, 1240, 1280, 1328, 1660, 1984, 2480, 2573, 2656, 3320, 3968, 4960, 5146, 5312, 6640, 7829, 7936, 9920, 10292, 10624, 12865, 13280, 15658, 19840, 20584, 21248, 25730, 26560, 31316, 39145, 39680, 41168, 51460, 53120, 62632, 78290, 82336, 102920, 106240, 125264, 156580, 164672, 205840, 242699, 250528, 313160, 329344, 411680, 485398, 501056, 626320, 649807, 658688, 823360, 970796, 1002112, 1213495, 1252640, 1299614, 1646720, 1941592, 2004224, 2426990, 2505280, 2599228, 3249035, 3293440, 3883184, 4853980, 5010560, 5198456, 6498070, 7766368, 9707960, 10021120, 10396912, 12996140, 15532736, 19415920, 20144017, 20793824, 25992280, 31065472, 38831840, 40288034, 41587648, 51984560, 62130944, 77663680, 80576068, 83175296, 100720085, 103969120, 155327360, 161152136, 166350592, 201440170, 207938240, 310654720, 322304272, 402880340, 415876480, 644608544, 805760680, 831752960, 1289217088, 1611521360, 2578434176, 3223042720, 5156868352, 6446085440, 12892170880, 25784341760]

約数ペア:

[(1, 25784341760), (2, 12892170880), (4, 6446085440), (5, 5156868352), (8, 3223042720), (10, 2578434176), (16, 1611521360), (20, 1289217088), (31, 831752960), (32, 805760680), (40, 644608544), (62, 415876480), (64, 402880340), (80, 322304272), (83, 310654720), (124, 207938240), (128, 201440170), (155, 166350592), (160, 161152136), (166, 155327360), (248, 103969120), (256, 100720085), (310, 83175296), (320, 80576068), (332, 77663680), (415, 62130944), (496, 51984560), (620, 41587648), (640, 40288034), (664, 38831840), (830, 31065472), (992, 25992280), (1240, 20793824), (1280, 20144017), (1328, 19415920), (1660, 15532736), (1984, 12996140), (2480, 10396912), (2573, 10021120), (2656, 9707960), (3320, 7766368), (3968, 6498070), (4960, 5198456), (5146, 5010560), (5312, 4853980), (6640, 3883184), (7829, 3293440), (7936, 3249035), (9920, 2599228), (10292, 2505280), (10624, 2426990), (12865, 2004224), (13280, 1941592), (15658, 1646720), (19840, 1299614), (20584, 1252640), (21248, 1213495), (25730, 1002112), (26560, 970796), (31316, 823360), (39145, 658688), (39680, 649807), (41168, 626320), (51460, 501056), (53120, 485398), (62632, 411680), (78290, 329344), (82336, 313160), (102920, 250528), (106240, 242699), (125264, 205840), (156580, 164672)]