40078870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10631}}^1$

素因数の和:10680

約数の個数: 32

約数和(自身を含む): 80377920

約数和(自身を除く): 40299050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 10631, 21262, 53155, 106310, 138203, 276406, 308299, 616598, 691015, 1382030, 1541495, 3082990, 4007887, 8015774, 20039435, 40078870]

約数ペア:

[(1, 40078870), (2, 20039435), (5, 8015774), (10, 4007887), (13, 3082990), (26, 1541495), (29, 1382030), (58, 691015), (65, 616598), (130, 308299), (145, 276406), (290, 138203), (377, 106310), (754, 53155), (1885, 21262), (3770, 10631)]