31239580

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1667}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 65712528

約数和(自身を除く): 34472948

約数列:

[1, 2, 4, 5, 10, 20, 937, 1667, 1874, 3334, 3748, 4685, 6668, 8335, 9370, 16670, 18740, 33340, 1561979, 3123958, 6247916, 7809895, 15619790, 31239580]

約数ペア:

[(1, 31239580), (2, 15619790), (4, 7809895), (5, 6247916), (10, 3123958), (20, 1561979), (937, 33340), (1667, 18740), (1874, 16670), (3334, 9370), (3748, 8335), (4685, 6668)]