30420080

素因数分解:

$2^4\times 5^1\times {\mathrm{380251}}^1$

素因数の和:380264

約数の個数: 20

約数和(自身を含む): 70726872

約数和(自身を除く): 40306792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 380251, 760502, 1521004, 1901255, 3042008, 3802510, 6084016, 7605020, 15210040, 30420080]

約数ペア:

[(1, 30420080), (2, 15210040), (4, 7605020), (5, 6084016), (8, 3802510), (10, 3042008), (16, 1901255), (20, 1521004), (40, 760502), (80, 380251)]