25861240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6277}}^1$

素因数の和:6391

約数の個数: 32

約数和(自身を含む): 58762080

約数和(自身を除く): 32900840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 646531, 1293062, 2586124, 3232655, 5172248, 6465310, 12930620, 25861240]

約数ペア:

[(1, 25861240), (2, 12930620), (4, 6465310), (5, 5172248), (8, 3232655), (10, 2586124), (20, 1293062), (40, 646531), (103, 251080), (206, 125540), (412, 62770), (515, 50216), (824, 31385), (1030, 25108), (2060, 12554), (4120, 6277)]