87432220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1979}}^1$

素因数の和:2082

約数の個数: 36

約数和(自身を含む): 187692120

約数和(自身を除く): 100259900

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1979, 2209, 3958, 4418, 7916, 8836, 9895, 11045, 19790, 22090, 39580, 44180, 93013, 186026, 372052, 465065, 930130, 1860260, 4371611, 8743222, 17486444, 21858055, 43716110, 87432220]

約数ペア:

[(1, 87432220), (2, 43716110), (4, 21858055), (5, 17486444), (10, 8743222), (20, 4371611), (47, 1860260), (94, 930130), (188, 465065), (235, 372052), (470, 186026), (940, 93013), (1979, 44180), (2209, 39580), (3958, 22090), (4418, 19790), (7916, 11045), (8836, 9895)]