1886281025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{30809}}^1$

素因数の和:30929

約数の個数: 24

約数和(自身を含む): 2445081600

約数和(自身を除く): 558800575

約数列:

[1, 5, 25, 31, 79, 155, 395, 775, 1975, 2449, 12245, 30809, 61225, 154045, 770225, 955079, 2433911, 4775395, 12169555, 23876975, 60847775, 75451241, 377256205, 1886281025]

約数ペア:

[(1, 1886281025), (5, 377256205), (25, 75451241), (31, 60847775), (79, 23876975), (155, 12169555), (395, 4775395), (775, 2433911), (1975, 955079), (2449, 770225), (12245, 154045), (30809, 61225)]