31068040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40879}}^1$

素因数の和:40909

約数の個数: 32

約数和(自身を含む): 73584000

約数和(自身を除く): 42515960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40879, 81758, 163516, 204395, 327032, 408790, 776701, 817580, 1553402, 1635160, 3106804, 3883505, 6213608, 7767010, 15534020, 31068040]

約数ペア:

[(1, 31068040), (2, 15534020), (4, 7767010), (5, 6213608), (8, 3883505), (10, 3106804), (19, 1635160), (20, 1553402), (38, 817580), (40, 776701), (76, 408790), (95, 327032), (152, 204395), (190, 163516), (380, 81758), (760, 40879)]