25611380

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1579}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 53884320

約数和(自身を除く): 28272940

約数列:

[1, 2, 4, 5, 10, 20, 811, 1579, 1622, 3158, 3244, 4055, 6316, 7895, 8110, 15790, 16220, 31580, 1280569, 2561138, 5122276, 6402845, 12805690, 25611380]

約数ペア:

[(1, 25611380), (2, 12805690), (4, 6402845), (5, 5122276), (10, 2561138), (20, 1280569), (811, 31580), (1579, 16220), (1622, 15790), (3158, 8110), (3244, 7895), (4055, 6316)]