39886960

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1091}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 93025296

約数和(自身を除く): 53138336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1091, 1828, 2182, 2285, 3656, 4364, 4570, 5455, 7312, 8728, 9140, 10910, 17456, 18280, 21820, 36560, 43640, 87280, 498587, 997174, 1994348, 2492935, 3988696, 4985870, 7977392, 9971740, 19943480, 39886960]

約数ペア:

[(1, 39886960), (2, 19943480), (4, 9971740), (5, 7977392), (8, 4985870), (10, 3988696), (16, 2492935), (20, 1994348), (40, 997174), (80, 498587), (457, 87280), (914, 43640), (1091, 36560), (1828, 21820), (2182, 18280), (2285, 17456), (3656, 10910), (4364, 9140), (4570, 8728), (5455, 7312)]