31324420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14369}}^1$

素因数の和:14487

約数の個数: 24

約数和(自身を含む): 66389400

約数和(自身を除く): 35064980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14369, 28738, 57476, 71845, 143690, 287380, 1566221, 3132442, 6264884, 7831105, 15662210, 31324420]

約数ペア:

[(1, 31324420), (2, 15662210), (4, 7831105), (5, 6264884), (10, 3132442), (20, 1566221), (109, 287380), (218, 143690), (436, 71845), (545, 57476), (1090, 28738), (2180, 14369)]