25232440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1787}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 56965680

約数和(自身を除く): 31733240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 1787, 2824, 3530, 3574, 7060, 7148, 8935, 14120, 14296, 17870, 35740, 71480, 630811, 1261622, 2523244, 3154055, 5046488, 6308110, 12616220, 25232440]

約数ペア:

[(1, 25232440), (2, 12616220), (4, 6308110), (5, 5046488), (8, 3154055), (10, 2523244), (20, 1261622), (40, 630811), (353, 71480), (706, 35740), (1412, 17870), (1765, 14296), (1787, 14120), (2824, 8935), (3530, 7148), (3574, 7060)]