25450580

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1931}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 53555040

約数和(自身を除く): 28104460

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 1931, 2636, 3295, 3862, 6590, 7724, 9655, 13180, 19310, 38620, 1272529, 2545058, 5090116, 6362645, 12725290, 25450580]

約数ペア:

[(1, 25450580), (2, 12725290), (4, 6362645), (5, 5090116), (10, 2545058), (20, 1272529), (659, 38620), (1318, 19310), (1931, 13180), (2636, 9655), (3295, 7724), (3862, 6590)]