72427760

素因数分解:

$2^4\times 5^1\times {\mathrm{905347}}^1$

素因数の和:905360

約数の個数: 20

約数和(自身を含む): 168394728

約数和(自身を除く): 95966968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 905347, 1810694, 3621388, 4526735, 7242776, 9053470, 14485552, 18106940, 36213880, 72427760]

約数ペア:

[(1, 72427760), (2, 36213880), (4, 18106940), (5, 14485552), (8, 9053470), (10, 7242776), (16, 4526735), (20, 3621388), (40, 1810694), (80, 905347)]