31240420

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2287}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 65729664

約数和(自身を除く): 34489244

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2287, 2732, 3415, 4574, 6830, 9148, 11435, 13660, 22870, 45740, 1562021, 3124042, 6248084, 7810105, 15620210, 31240420]

約数ペア:

[(1, 31240420), (2, 15620210), (4, 7810105), (5, 6248084), (10, 3124042), (20, 1562021), (683, 45740), (1366, 22870), (2287, 13660), (2732, 11435), (3415, 9148), (4574, 6830)]