25902440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6287}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 58855680

約数和(自身を除く): 32953240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6287, 12574, 25148, 31435, 50296, 62870, 125740, 251480, 647561, 1295122, 2590244, 3237805, 5180488, 6475610, 12951220, 25902440]

約数ペア:

[(1, 25902440), (2, 12951220), (4, 6475610), (5, 5180488), (8, 3237805), (10, 2590244), (20, 1295122), (40, 647561), (103, 251480), (206, 125740), (412, 62870), (515, 50296), (824, 31435), (1030, 25148), (2060, 12574), (4120, 6287)]