130921225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 169911000

約数和(自身を除く): 38989775

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 2029, 2225, 2581, 10145, 12905, 50725, 58841, 64525, 180581, 294205, 902905, 1471025, 4514525, 5236849, 26184245, 130921225]

約数ペア:

[(1, 130921225), (5, 26184245), (25, 5236849), (29, 4514525), (89, 1471025), (145, 902905), (445, 294205), (725, 180581), (2029, 64525), (2225, 58841), (2581, 50725), (10145, 12905)]