8178740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21523}}^1$

素因数の和:21551

約数の個数: 24

約数和(自身を含む): 18080160

約数和(自身を除く): 9901420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21523, 43046, 86092, 107615, 215230, 408937, 430460, 817874, 1635748, 2044685, 4089370, 8178740]

約数ペア:

[(1, 8178740), (2, 4089370), (4, 2044685), (5, 1635748), (10, 817874), (19, 430460), (20, 408937), (38, 215230), (76, 107615), (95, 86092), (190, 43046), (380, 21523)]