90104860

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{10453}}^1$

素因数の和:10893

約数の個数: 24

約数和(自身を含む): 189677376

約数和(自身を除く): 99572516

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 10453, 20906, 41812, 52265, 104530, 209060, 4505243, 9010486, 18020972, 22526215, 45052430, 90104860]

約数ペア:

[(1, 90104860), (2, 45052430), (4, 22526215), (5, 18020972), (10, 9010486), (20, 4505243), (431, 209060), (862, 104530), (1724, 52265), (2155, 41812), (4310, 20906), (8620, 10453)]