80338480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8887}}^1$

素因数の和:9013

約数の個数: 40

約数和(自身を含む): 188461152

約数和(自身を除く): 108122672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8887, 9040, 17774, 35548, 44435, 71096, 88870, 142192, 177740, 355480, 710960, 1004231, 2008462, 4016924, 5021155, 8033848, 10042310, 16067696, 20084620, 40169240, 80338480]

約数ペア:

[(1, 80338480), (2, 40169240), (4, 20084620), (5, 16067696), (8, 10042310), (10, 8033848), (16, 5021155), (20, 4016924), (40, 2008462), (80, 1004231), (113, 710960), (226, 355480), (452, 177740), (565, 142192), (904, 88870), (1130, 71096), (1808, 44435), (2260, 35548), (4520, 17774), (8887, 9040)]