25990340

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1579}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 54680640

約数和(自身を除く): 28690300

約数列:

[1, 2, 4, 5, 10, 20, 823, 1579, 1646, 3158, 3292, 4115, 6316, 7895, 8230, 15790, 16460, 31580, 1299517, 2599034, 5198068, 6497585, 12995170, 25990340]

約数ペア:

[(1, 25990340), (2, 12995170), (4, 6497585), (5, 5198068), (10, 2599034), (20, 1299517), (823, 31580), (1579, 16460), (1646, 15790), (3158, 8230), (3292, 7895), (4115, 6316)]