158090120

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3917}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 356146200

約数和(自身を除く): 198056080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 3917, 4036, 5045, 7834, 8072, 10090, 15668, 19585, 20180, 31336, 39170, 40360, 78340, 156680, 3952253, 7904506, 15809012, 19761265, 31618024, 39522530, 79045060, 158090120]

約数ペア:

[(1, 158090120), (2, 79045060), (4, 39522530), (5, 31618024), (8, 19761265), (10, 15809012), (20, 7904506), (40, 3952253), (1009, 156680), (2018, 78340), (3917, 40360), (4036, 39170), (5045, 31336), (7834, 20180), (8072, 19585), (10090, 15668)]