31243540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{42221}}^1$

素因数の和:42267

約数の個数: 24

約数和(自身を含む): 67386312

約数和(自身を除く): 36142772

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 42221, 84442, 168884, 211105, 422210, 844420, 1562177, 3124354, 6248708, 7810885, 15621770, 31243540]

約数ペア:

[(1, 31243540), (2, 15621770), (4, 7810885), (5, 6248708), (10, 3124354), (20, 1562177), (37, 844420), (74, 422210), (148, 211105), (185, 168884), (370, 84442), (740, 42221)]