426654640

素因数分解:

$2^4\times 5^1\times {\mathrm{5333183}}^1$

素因数の和:5333196

約数の個数: 20

約数和(自身を含む): 991972224

約数和(自身を除く): 565317584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5333183, 10666366, 21332732, 26665915, 42665464, 53331830, 85330928, 106663660, 213327320, 426654640]

約数ペア:

[(1, 426654640), (2, 213327320), (4, 106663660), (5, 85330928), (8, 53331830), (10, 42665464), (16, 26665915), (20, 21332732), (40, 10666366), (80, 5333183)]