81164330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21529}}^1$

素因数の和:21578

約数の個数: 32

約数和(自身を含む): 162766800

約数和(自身を除く): 81602470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 21529, 43058, 107645, 215290, 279877, 559754, 624341, 1248682, 1399385, 2798770, 3121705, 6243410, 8116433, 16232866, 40582165, 81164330]

約数ペア:

[(1, 81164330), (2, 40582165), (5, 16232866), (10, 8116433), (13, 6243410), (26, 3121705), (29, 2798770), (58, 1399385), (65, 1248682), (130, 624341), (145, 559754), (290, 279877), (377, 215290), (754, 107645), (1885, 43058), (3770, 21529)]