78713830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20879}}^1$

素因数の和:20928

約数の個数: 32

約数和(自身を含む): 157852800

約数和(自身を除く): 79138970

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 20879, 41758, 104395, 208790, 271427, 542854, 605491, 1210982, 1357135, 2714270, 3027455, 6054910, 7871383, 15742766, 39356915, 78713830]

約数ペア:

[(1, 78713830), (2, 39356915), (5, 15742766), (10, 7871383), (13, 6054910), (26, 3027455), (29, 2714270), (58, 1357135), (65, 1210982), (130, 605491), (145, 542854), (290, 271427), (377, 208790), (754, 104395), (1885, 41758), (3770, 20879)]