12711425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 16572600

約数和(自身を除く): 3861175

約数列:

[1, 5, 25, 29, 89, 145, 197, 445, 725, 985, 2225, 2581, 4925, 5713, 12905, 17533, 28565, 64525, 87665, 142825, 438325, 508457, 2542285, 12711425]

約数ペア:

[(1, 12711425), (5, 2542285), (25, 508457), (29, 438325), (89, 142825), (145, 87665), (197, 64525), (445, 28565), (725, 17533), (985, 12905), (2225, 5713), (2581, 4925)]