25165240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8861}}^1$

素因数の和:8943

約数の個数: 32

約数和(自身を含む): 57425760

約数和(自身を除く): 32260520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8861, 17722, 35444, 44305, 70888, 88610, 177220, 354440, 629131, 1258262, 2516524, 3145655, 5033048, 6291310, 12582620, 25165240]

約数ペア:

[(1, 25165240), (2, 12582620), (4, 6291310), (5, 5033048), (8, 3145655), (10, 2516524), (20, 1258262), (40, 629131), (71, 354440), (142, 177220), (284, 88610), (355, 70888), (568, 44305), (710, 35444), (1420, 17722), (2840, 8861)]