30207920

素因数分解:

$2^4\times 5^1\times {\mathrm{377599}}^1$

素因数の和:377612

約数の個数: 20

約数和(自身を含む): 70233600

約数和(自身を除く): 40025680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 377599, 755198, 1510396, 1887995, 3020792, 3775990, 6041584, 7551980, 15103960, 30207920]

約数ペア:

[(1, 30207920), (2, 15103960), (4, 7551980), (5, 6041584), (8, 3775990), (10, 3020792), (16, 1887995), (20, 1510396), (40, 755198), (80, 377599)]