42140440

素因数分解:

$2^3\times 5^1\times {\mathrm{1053511}}^1$

素因数の和:1053522

約数の個数: 16

約数和(自身を含む): 94816080

約数和(自身を除く): 52675640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1053511, 2107022, 4214044, 5267555, 8428088, 10535110, 21070220, 42140440]

約数ペア:

[(1, 42140440), (2, 21070220), (4, 10535110), (5, 8428088), (8, 5267555), (10, 4214044), (20, 2107022), (40, 1053511)]