80721790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{7523}}^1$

素因数の和:7596

約数の個数: 32

約数和(自身を含む): 154392480

約数和(自身を除く): 73670690

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 2146, 5365, 7523, 10730, 15046, 37615, 75230, 218167, 278351, 436334, 556702, 1090835, 1391755, 2181670, 2783510, 8072179, 16144358, 40360895, 80721790]

約数ペア:

[(1, 80721790), (2, 40360895), (5, 16144358), (10, 8072179), (29, 2783510), (37, 2181670), (58, 1391755), (74, 1090835), (145, 556702), (185, 436334), (290, 278351), (370, 218167), (1073, 75230), (2146, 37615), (5365, 15046), (7523, 10730)]