40802680

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3259}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 92127600

約数和(自身を除く): 51324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3259, 6260, 6518, 12520, 13036, 16295, 26072, 32590, 65180, 130360, 1020067, 2040134, 4080268, 5100335, 8160536, 10200670, 20401340, 40802680]

約数ペア:

[(1, 40802680), (2, 20401340), (4, 10200670), (5, 8160536), (8, 5100335), (10, 4080268), (20, 2040134), (40, 1020067), (313, 130360), (626, 65180), (1252, 32590), (1565, 26072), (2504, 16295), (3130, 13036), (3259, 12520), (6260, 6518)]