156799820

素因数分解:

$2^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{2803}}^1$

素因数の和:5609

約数の個数: 24

約数和(自身を含む): 329514864

約数和(自身を除く): 172715044

約数列:

[1, 2, 4, 5, 10, 20, 2797, 2803, 5594, 5606, 11188, 11212, 13985, 14015, 27970, 28030, 55940, 56060, 7839991, 15679982, 31359964, 39199955, 78399910, 156799820]

約数ペア:

[(1, 156799820), (2, 78399910), (4, 39199955), (5, 31359964), (10, 15679982), (20, 7839991), (2797, 56060), (2803, 55940), (5594, 28030), (5606, 27970), (11188, 14015), (11212, 13985)]