159804020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{50893}}^1$

素因数の和:51059

約数の個数: 24

約数和(自身を含む): 337732584

約数和(自身を除く): 177928564

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 50893, 101786, 203572, 254465, 508930, 1017860, 7990201, 15980402, 31960804, 39951005, 79902010, 159804020]

約数ペア:

[(1, 159804020), (2, 79902010), (4, 39951005), (5, 31960804), (10, 15980402), (20, 7990201), (157, 1017860), (314, 508930), (628, 254465), (785, 203572), (1570, 101786), (3140, 50893)]