87624380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106859}}^1$

素因数の和:106909

約数の個数: 24

約数和(自身を含む): 188501040

約数和(自身を除く): 100876660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106859, 213718, 427436, 534295, 1068590, 2137180, 4381219, 8762438, 17524876, 21906095, 43812190, 87624380]

約数ペア:

[(1, 87624380), (2, 43812190), (4, 21906095), (5, 17524876), (10, 8762438), (20, 4381219), (41, 2137180), (82, 1068590), (164, 534295), (205, 427436), (410, 213718), (820, 106859)]