13920325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 18023400

約数和(自身を除く): 4103075

約数列:

[1, 5, 25, 37, 101, 149, 185, 505, 745, 925, 2525, 3725, 3737, 5513, 15049, 18685, 27565, 75245, 93425, 137825, 376225, 556813, 2784065, 13920325]

約数ペア:

[(1, 13920325), (5, 2784065), (25, 556813), (37, 376225), (101, 137825), (149, 93425), (185, 75245), (505, 27565), (745, 18685), (925, 15049), (2525, 5513), (3725, 3737)]