87886340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26959}}^1$

素因数の和:27131

約数の個数: 24

約数和(自身を含む): 185700480

約数和(自身を除く): 97814140

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 26959, 53918, 107836, 134795, 269590, 539180, 4394317, 8788634, 17577268, 21971585, 43943170, 87886340]

約数ペア:

[(1, 87886340), (2, 43943170), (4, 21971585), (5, 17577268), (10, 8788634), (20, 4394317), (163, 539180), (326, 269590), (652, 134795), (815, 107836), (1630, 53918), (3260, 26959)]