79881560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181549}}^1$

素因数の和:181571

約数の個数: 32

約数和(自身を含む): 196074000

約数和(自身を除く): 116192440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 181549, 363098, 726196, 907745, 1452392, 1815490, 1997039, 3630980, 3994078, 7261960, 7988156, 9985195, 15976312, 19970390, 39940780, 79881560]

約数ペア:

[(1, 79881560), (2, 39940780), (4, 19970390), (5, 15976312), (8, 9985195), (10, 7988156), (11, 7261960), (20, 3994078), (22, 3630980), (40, 1997039), (44, 1815490), (55, 1452392), (88, 907745), (110, 726196), (220, 363098), (440, 181549)]