87101240

素因数分解:

$2^3\times 5^1\times {\mathrm{2177531}}^1$

素因数の和:2177542

約数の個数: 16

約数和(自身を含む): 195977880

約数和(自身を除く): 108876640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2177531, 4355062, 8710124, 10887655, 17420248, 21775310, 43550620, 87101240]

約数ペア:

[(1, 87101240), (2, 43550620), (4, 21775310), (5, 17420248), (8, 10887655), (10, 8710124), (20, 4355062), (40, 2177531)]