87912016

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{54401}}^1$

素因数の和:54510

約数の個数: 20

約数和(自身を含む): 172019124

約数和(自身を除く): 84107108

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 54401, 108802, 217604, 435208, 870416, 5494501, 10989002, 21978004, 43956008, 87912016]

約数ペア:

[(1, 87912016), (2, 43956008), (4, 21978004), (8, 10989002), (16, 5494501), (101, 870416), (202, 435208), (404, 217604), (808, 108802), (1616, 54401)]