2045018840

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{54331}}^1$

素因数の和:55283

約数の個数: 32

約数和(自身を含む): 4606266960

約数和(自身を除く): 2561248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1882, 3764, 4705, 7528, 9410, 18820, 37640, 54331, 108662, 217324, 271655, 434648, 543310, 1086620, 2173240, 51125471, 102250942, 204501884, 255627355, 409003768, 511254710, 1022509420, 2045018840]

約数ペア:

[(1, 2045018840), (2, 1022509420), (4, 511254710), (5, 409003768), (8, 255627355), (10, 204501884), (20, 102250942), (40, 51125471), (941, 2173240), (1882, 1086620), (3764, 543310), (4705, 434648), (7528, 271655), (9410, 217324), (18820, 108662), (37640, 54331)]