8158040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18541}}^1$

素因数の和:18563

約数の個数: 32

約数和(自身を含む): 20025360

約数和(自身を除く): 11867320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18541, 37082, 74164, 92705, 148328, 185410, 203951, 370820, 407902, 741640, 815804, 1019755, 1631608, 2039510, 4079020, 8158040]

約数ペア:

[(1, 8158040), (2, 4079020), (4, 2039510), (5, 1631608), (8, 1019755), (10, 815804), (11, 741640), (20, 407902), (22, 370820), (40, 203951), (44, 185410), (55, 148328), (88, 92705), (110, 74164), (220, 37082), (440, 18541)]