4082920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 9285120

約数和(自身を除く): 5202200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 991, 1030, 1982, 2060, 3964, 4120, 4955, 7928, 9910, 19820, 39640, 102073, 204146, 408292, 510365, 816584, 1020730, 2041460, 4082920]

約数ペア:

[(1, 4082920), (2, 2041460), (4, 1020730), (5, 816584), (8, 510365), (10, 408292), (20, 204146), (40, 102073), (103, 39640), (206, 19820), (412, 9910), (515, 7928), (824, 4955), (991, 4120), (1030, 3964), (1982, 2060)]