31865720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15031}}^1$

素因数の和:15095

約数の個数: 32

約数和(自身を含む): 73055520

約数和(自身を除く): 41189800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 15031, 30062, 60124, 75155, 120248, 150310, 300620, 601240, 796643, 1593286, 3186572, 3983215, 6373144, 7966430, 15932860, 31865720]

約数ペア:

[(1, 31865720), (2, 15932860), (4, 7966430), (5, 6373144), (8, 3983215), (10, 3186572), (20, 1593286), (40, 796643), (53, 601240), (106, 300620), (212, 150310), (265, 120248), (424, 75155), (530, 60124), (1060, 30062), (2120, 15031)]