8065580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13009}}^1$

素因数の和:13049

約数の個数: 24

約数和(自身を含む): 17485440

約数和(自身を除く): 9419860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13009, 26018, 52036, 65045, 130090, 260180, 403279, 806558, 1613116, 2016395, 4032790, 8065580]

約数ペア:

[(1, 8065580), (2, 4032790), (4, 2016395), (5, 1613116), (10, 806558), (20, 403279), (31, 260180), (62, 130090), (124, 65045), (155, 52036), (310, 26018), (620, 13009)]