25232560

素因数分解:

$2^4\times 5^1\times {\mathrm{315407}}^1$

素因数の和:315420

約数の個数: 20

約数和(自身を含む): 58665888

約数和(自身を除く): 33433328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315407, 630814, 1261628, 1577035, 2523256, 3154070, 5046512, 6308140, 12616280, 25232560]

約数ペア:

[(1, 25232560), (2, 12616280), (4, 6308140), (5, 5046512), (8, 3154070), (10, 2523256), (16, 1577035), (20, 1261628), (40, 630814), (80, 315407)]