4920408040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3968071}}^1$

素因数の和:3968113

約数の個数: 32

約数和(自身を含む): 11428047360

約数和(自身を除く): 6507639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3968071, 7936142, 15872284, 19840355, 31744568, 39680710, 79361420, 123010201, 158722840, 246020402, 492040804, 615051005, 984081608, 1230102010, 2460204020, 4920408040]

約数ペア:

[(1, 4920408040), (2, 2460204020), (4, 1230102010), (5, 984081608), (8, 615051005), (10, 492040804), (20, 246020402), (31, 158722840), (40, 123010201), (62, 79361420), (124, 39680710), (155, 31744568), (248, 19840355), (310, 15872284), (620, 7936142), (1240, 3968071)]