9729898025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{220009}}^1$

素因数の和:220109

約数の個数: 24

約数和(自身を含む): 12685776600

約数和(自身を除く): 2955878575

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 8845, 44225, 220009, 1100045, 5500225, 6380261, 13420549, 31901305, 67102745, 159506525, 335513725, 389195921, 1945979605, 9729898025]

約数ペア:

[(1, 9729898025), (5, 1945979605), (25, 389195921), (29, 335513725), (61, 159506525), (145, 67102745), (305, 31901305), (725, 13420549), (1525, 6380261), (1769, 5500225), (8845, 1100045), (44225, 220009)]