7901960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17959}}^1$

素因数の和:17981

約数の個数: 32

約数和(自身を含む): 19396800

約数和(自身を除く): 11494840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 17959, 35918, 71836, 89795, 143672, 179590, 197549, 359180, 395098, 718360, 790196, 987745, 1580392, 1975490, 3950980, 7901960]

約数ペア:

[(1, 7901960), (2, 3950980), (4, 1975490), (5, 1580392), (8, 987745), (10, 790196), (11, 718360), (20, 395098), (22, 359180), (40, 197549), (44, 179590), (55, 143672), (88, 89795), (110, 71836), (220, 35918), (440, 17959)]