2912481080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1\times {\mathrm{821}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 6620914080

約数和(自身を除く): 3708433000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 677, 821, 1048, 1310, 1354, 1642, 2620, 2708, 3284, 3385, 4105, 5240, 5416, 6568, 6770, 8210, 13540, 16420, 27080, 32840, 88687, 107551, 177374, 215102, 354748, 430204, 443435, 537755, 555817, 709496, 860408, 886870, 1075510, 1111634, 1773740, 2151020, 2223268, 2779085, 3547480, 4302040, 4446536, 5558170, 11116340, 22232680, 72812027, 145624054, 291248108, 364060135, 582496216, 728120270, 1456240540, 2912481080]

約数ペア:

[(1, 2912481080), (2, 1456240540), (4, 728120270), (5, 582496216), (8, 364060135), (10, 291248108), (20, 145624054), (40, 72812027), (131, 22232680), (262, 11116340), (524, 5558170), (655, 4446536), (677, 4302040), (821, 3547480), (1048, 2779085), (1310, 2223268), (1354, 2151020), (1642, 1773740), (2620, 1111634), (2708, 1075510), (3284, 886870), (3385, 860408), (4105, 709496), (5240, 555817), (5416, 537755), (6568, 443435), (6770, 430204), (8210, 354748), (13540, 215102), (16420, 177374), (27080, 107551), (32840, 88687)]