80426660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{236549}}^1$

素因数の和:236575

約数の個数: 24

約数和(自身を含む): 178831800

約数和(自身を除く): 98405140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 236549, 473098, 946196, 1182745, 2365490, 4021333, 4730980, 8042666, 16085332, 20106665, 40213330, 80426660]

約数ペア:

[(1, 80426660), (2, 40213330), (4, 20106665), (5, 16085332), (10, 8042666), (17, 4730980), (20, 4021333), (34, 2365490), (68, 1182745), (85, 946196), (170, 473098), (340, 236549)]