67534640

素因数分解:

$2^4\times 5^1\times {\mathrm{844183}}^1$

素因数の和:844196

約数の個数: 20

約数和(自身を含む): 157018224

約数和(自身を除く): 89483584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 844183, 1688366, 3376732, 4220915, 6753464, 8441830, 13506928, 16883660, 33767320, 67534640]

約数ペア:

[(1, 67534640), (2, 33767320), (4, 16883660), (5, 13506928), (8, 8441830), (10, 6753464), (16, 4220915), (20, 3376732), (40, 1688366), (80, 844183)]