67028020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54941}}^1$

素因数の和:55011

約数の個数: 24

約数和(自身を含む): 143068968

約数和(自身を除く): 76040948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54941, 109882, 219764, 274705, 549410, 1098820, 3351401, 6702802, 13405604, 16757005, 33514010, 67028020]

約数ペア:

[(1, 67028020), (2, 33514010), (4, 16757005), (5, 13405604), (10, 6702802), (20, 3351401), (61, 1098820), (122, 549410), (244, 274705), (305, 219764), (610, 109882), (1220, 54941)]