90423860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{110273}}^1$

素因数の和:110323

約数の個数: 24

約数和(自身を含む): 194523336

約数和(自身を除く): 104099476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 110273, 220546, 441092, 551365, 1102730, 2205460, 4521193, 9042386, 18084772, 22605965, 45211930, 90423860]

約数ペア:

[(1, 90423860), (2, 45211930), (4, 22605965), (5, 18084772), (10, 9042386), (20, 4521193), (41, 2205460), (82, 1102730), (164, 551365), (205, 441092), (410, 220546), (820, 110273)]