81016480

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4481}}^1$

素因数の和:4609

約数の個数: 48

約数和(自身を含む): 193138344

約数和(自身を除く): 112121864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4481, 4520, 8962, 9040, 17924, 18080, 22405, 35848, 44810, 71696, 89620, 143392, 179240, 358480, 506353, 716960, 1012706, 2025412, 2531765, 4050824, 5063530, 8101648, 10127060, 16203296, 20254120, 40508240, 81016480]

約数ペア:

[(1, 81016480), (2, 40508240), (4, 20254120), (5, 16203296), (8, 10127060), (10, 8101648), (16, 5063530), (20, 4050824), (32, 2531765), (40, 2025412), (80, 1012706), (113, 716960), (160, 506353), (226, 358480), (452, 179240), (565, 143392), (904, 89620), (1130, 71696), (1808, 44810), (2260, 35848), (3616, 22405), (4481, 18080), (4520, 17924), (8962, 9040)]