389626840

素因数分解:

$2^3\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{4091}}^1$

素因数の和:6483

約数の個数: 32

約数和(自身を含む): 877242960

約数和(自身を除く): 487616120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2381, 4091, 4762, 8182, 9524, 11905, 16364, 19048, 20455, 23810, 32728, 40910, 47620, 81820, 95240, 163640, 9740671, 19481342, 38962684, 48703355, 77925368, 97406710, 194813420, 389626840]

約数ペア:

[(1, 389626840), (2, 194813420), (4, 97406710), (5, 77925368), (8, 48703355), (10, 38962684), (20, 19481342), (40, 9740671), (2381, 163640), (4091, 95240), (4762, 81820), (8182, 47620), (9524, 40910), (11905, 32728), (16364, 23810), (19048, 20455)]