31130980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4973}}^1$

素因数の和:5295

約数の個数: 24

約数和(自身を含む): 65597112

約数和(自身を除く): 34466132

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4973, 6260, 9946, 19892, 24865, 49730, 99460, 1556549, 3113098, 6226196, 7782745, 15565490, 31130980]

約数ペア:

[(1, 31130980), (2, 15565490), (4, 7782745), (5, 6226196), (10, 3113098), (20, 1556549), (313, 99460), (626, 49730), (1252, 24865), (1565, 19892), (3130, 9946), (4973, 6260)]