31693640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72031}}^1$

素因数の和:72053

約数の個数: 32

約数和(自身を含む): 77794560

約数和(自身を除く): 46100920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72031, 144062, 288124, 360155, 576248, 720310, 792341, 1440620, 1584682, 2881240, 3169364, 3961705, 6338728, 7923410, 15846820, 31693640]

約数ペア:

[(1, 31693640), (2, 15846820), (4, 7923410), (5, 6338728), (8, 3961705), (10, 3169364), (11, 2881240), (20, 1584682), (22, 1440620), (40, 792341), (44, 720310), (55, 576248), (88, 360155), (110, 288124), (220, 144062), (440, 72031)]