30807620

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3163}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 64849344

約数和(自身を除く): 34041724

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 3163, 4870, 6326, 9740, 12652, 15815, 31630, 63260, 1540381, 3080762, 6161524, 7701905, 15403810, 30807620]

約数ペア:

[(1, 30807620), (2, 15403810), (4, 7701905), (5, 6161524), (10, 3080762), (20, 1540381), (487, 63260), (974, 31630), (1948, 15815), (2435, 12652), (3163, 9740), (4870, 6326)]