28091980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200657}}^1$

素因数の和:200673

約数の個数: 24

約数和(自身を含む): 67421088

約数和(自身を除く): 39329108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200657, 401314, 802628, 1003285, 1404599, 2006570, 2809198, 4013140, 5618396, 7022995, 14045990, 28091980]

約数ペア:

[(1, 28091980), (2, 14045990), (4, 7022995), (5, 5618396), (7, 4013140), (10, 2809198), (14, 2006570), (20, 1404599), (28, 1003285), (35, 802628), (70, 401314), (140, 200657)]