87865840

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3881}}^1$

素因数の和:4177

約数の個数: 40

約数和(自身を含む): 205062768

約数和(自身を除く): 117196928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 3881, 4528, 5660, 7762, 11320, 15524, 19405, 22640, 31048, 38810, 62096, 77620, 155240, 310480, 1098323, 2196646, 4393292, 5491615, 8786584, 10983230, 17573168, 21966460, 43932920, 87865840]

約数ペア:

[(1, 87865840), (2, 43932920), (4, 21966460), (5, 17573168), (8, 10983230), (10, 8786584), (16, 5491615), (20, 4393292), (40, 2196646), (80, 1098323), (283, 310480), (566, 155240), (1132, 77620), (1415, 62096), (2264, 38810), (2830, 31048), (3881, 22640), (4528, 19405), (5660, 15524), (7762, 11320)]