105909520

素因数分解:

$2^4\times 5^1\times {\mathrm{1323869}}^1$

素因数の和:1323882

約数の個数: 20

約数和(自身を含む): 246239820

約数和(自身を除く): 140330300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1323869, 2647738, 5295476, 6619345, 10590952, 13238690, 21181904, 26477380, 52954760, 105909520]

約数ペア:

[(1, 105909520), (2, 52954760), (4, 26477380), (5, 21181904), (8, 13238690), (10, 10590952), (16, 6619345), (20, 5295476), (40, 2647738), (80, 1323869)]