4920432080

素因数分解:

$2^4\times 5^1\times {\mathrm{61505401}}^1$

素因数の和:61505414

約数の個数: 20

約数和(自身を含む): 11440004772

約数和(自身を除く): 6519572692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61505401, 123010802, 246021604, 307527005, 492043208, 615054010, 984086416, 1230108020, 2460216040, 4920432080]

約数ペア:

[(1, 4920432080), (2, 2460216040), (4, 1230108020), (5, 984086416), (8, 615054010), (10, 492043208), (16, 307527005), (20, 246021604), (40, 123010802), (80, 61505401)]