1788432920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{395671}}^1$

素因数の和:395795

約数の個数: 32

約数和(自身を含む): 4059594720

約数和(自身を除く): 2271161800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 395671, 791342, 1582684, 1978355, 3165368, 3956710, 7913420, 15826840, 44710823, 89421646, 178843292, 223554115, 357686584, 447108230, 894216460, 1788432920]

約数ペア:

[(1, 1788432920), (2, 894216460), (4, 447108230), (5, 357686584), (8, 223554115), (10, 178843292), (20, 89421646), (40, 44710823), (113, 15826840), (226, 7913420), (452, 3956710), (565, 3165368), (904, 1978355), (1130, 1582684), (2260, 791342), (4520, 395671)]