4942220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 10551408

約数和(自身を除く): 5609188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 4051, 8102, 16204, 20255, 40510, 81020, 247111, 494222, 988444, 1235555, 2471110, 4942220]

約数ペア:

[(1, 4942220), (2, 2471110), (4, 1235555), (5, 988444), (10, 494222), (20, 247111), (61, 81020), (122, 40510), (244, 20255), (305, 16204), (610, 8102), (1220, 4051)]