39933640

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1231}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 90034560

約数和(自身を除く): 50100920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1231, 1622, 2462, 3244, 4055, 4924, 6155, 6488, 8110, 9848, 12310, 16220, 24620, 32440, 49240, 998341, 1996682, 3993364, 4991705, 7986728, 9983410, 19966820, 39933640]

約数ペア:

[(1, 39933640), (2, 19966820), (4, 9983410), (5, 7986728), (8, 4991705), (10, 3993364), (20, 1996682), (40, 998341), (811, 49240), (1231, 32440), (1622, 24620), (2462, 16220), (3244, 12310), (4055, 9848), (4924, 8110), (6155, 6488)]