86865580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{255487}}^1$

素因数の和:255513

約数の個数: 24

約数和(自身を含む): 193148928

約数和(自身を除く): 106283348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 255487, 510974, 1021948, 1277435, 2554870, 4343279, 5109740, 8686558, 17373116, 21716395, 43432790, 86865580]

約数ペア:

[(1, 86865580), (2, 43432790), (4, 21716395), (5, 17373116), (10, 8686558), (17, 5109740), (20, 4343279), (34, 2554870), (68, 1277435), (85, 1021948), (170, 510974), (340, 255487)]