7515609620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{18911}}^1$

素因数の和:19592

約数の個数: 48

約数和(自身を含む): 16318181376

約数和(自身を除く): 8802571756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 641, 1282, 2564, 3205, 6410, 12820, 18911, 19871, 37822, 39742, 75644, 79484, 94555, 99355, 189110, 198710, 378220, 397420, 586241, 1172482, 2344964, 2931205, 5862410, 11724820, 12121951, 24243902, 48487804, 60609755, 121219510, 242439020, 375780481, 751560962, 1503121924, 1878902405, 3757804810, 7515609620]

約数ペア:

[(1, 7515609620), (2, 3757804810), (4, 1878902405), (5, 1503121924), (10, 751560962), (20, 375780481), (31, 242439020), (62, 121219510), (124, 60609755), (155, 48487804), (310, 24243902), (620, 12121951), (641, 11724820), (1282, 5862410), (2564, 2931205), (3205, 2344964), (6410, 1172482), (12820, 586241), (18911, 397420), (19871, 378220), (37822, 198710), (39742, 189110), (75644, 99355), (79484, 94555)]