72437180

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2251}}^1$

素因数の和:3869

約数の個数: 24

約数和(自身を含む): 152280240

約数和(自身を除く): 79843060

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2251, 3218, 4502, 6436, 8045, 9004, 11255, 16090, 22510, 32180, 45020, 3621859, 7243718, 14487436, 18109295, 36218590, 72437180]

約数ペア:

[(1, 72437180), (2, 36218590), (4, 18109295), (5, 14487436), (10, 7243718), (20, 3621859), (1609, 45020), (2251, 32180), (3218, 22510), (4502, 16090), (6436, 11255), (8045, 9004)]