90780245

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 116619264

約数和(自身を除く): 25839019

約数列:

[1, 5, 31, 71, 73, 113, 155, 355, 365, 565, 2201, 2263, 3503, 5183, 8023, 8249, 11005, 11315, 17515, 25915, 40115, 41245, 160673, 248713, 255719, 585679, 803365, 1243565, 1278595, 2928395, 18156049, 90780245]

約数ペア:

[(1, 90780245), (5, 18156049), (31, 2928395), (71, 1278595), (73, 1243565), (113, 803365), (155, 585679), (355, 255719), (365, 248713), (565, 160673), (2201, 41245), (2263, 40115), (3503, 25915), (5183, 17515), (8023, 11315), (8249, 11005)]