80801780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{35753}}^1$

素因数の和:35875

約数の個数: 24

約数和(自身を含む): 171190152

約数和(自身を除く): 90388372

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 35753, 71506, 143012, 178765, 357530, 715060, 4040089, 8080178, 16160356, 20200445, 40400890, 80801780]

約数ペア:

[(1, 80801780), (2, 40400890), (4, 20200445), (5, 16160356), (10, 8080178), (20, 4040089), (113, 715060), (226, 357530), (452, 178765), (565, 143012), (1130, 71506), (2260, 35753)]