90508240

素因数分解:

$2^4\times 5^1\times {\mathrm{1131353}}^1$

素因数の和:1131366

約数の個数: 20

約数和(自身を含む): 210431844

約数和(自身を除く): 119923604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1131353, 2262706, 4525412, 5656765, 9050824, 11313530, 18101648, 22627060, 45254120, 90508240]

約数ペア:

[(1, 90508240), (2, 45254120), (4, 22627060), (5, 18101648), (8, 11313530), (10, 9050824), (16, 5656765), (20, 4525412), (40, 2262706), (80, 1131353)]