55985860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{399899}}^1$

素因数の和:399915

約数の個数: 24

約数和(自身を含む): 134366400

約数和(自身を除く): 78380540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 399899, 799798, 1599596, 1999495, 2799293, 3998990, 5598586, 7997980, 11197172, 13996465, 27992930, 55985860]

約数ペア:

[(1, 55985860), (2, 27992930), (4, 13996465), (5, 11197172), (7, 7997980), (10, 5598586), (14, 3998990), (20, 2799293), (28, 1999495), (35, 1599596), (70, 799798), (140, 399899)]