8700020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{62143}}^1$

素因数の和:62159

約数の個数: 24

約数和(自身を含む): 20880384

約数和(自身を除く): 12180364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 62143, 124286, 248572, 310715, 435001, 621430, 870002, 1242860, 1740004, 2175005, 4350010, 8700020]

約数ペア:

[(1, 8700020), (2, 4350010), (4, 2175005), (5, 1740004), (7, 1242860), (10, 870002), (14, 621430), (20, 435001), (28, 310715), (35, 248572), (70, 124286), (140, 62143)]