16138040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3917}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 36672480

約数和(自身を除く): 20534440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3917, 4120, 7834, 15668, 19585, 31336, 39170, 78340, 156680, 403451, 806902, 1613804, 2017255, 3227608, 4034510, 8069020, 16138040]

約数ペア:

[(1, 16138040), (2, 8069020), (4, 4034510), (5, 3227608), (8, 2017255), (10, 1613804), (20, 806902), (40, 403451), (103, 156680), (206, 78340), (412, 39170), (515, 31336), (824, 19585), (1030, 15668), (2060, 7834), (3917, 4120)]