3950980

素因数分解:

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

素因数の和:17979

約数の個数: 24

約数和(自身を含む): 9051840

約数和(自身を除く): 5100860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 17959, 35918, 71836, 89795, 179590, 197549, 359180, 395098, 790196, 987745, 1975490, 3950980]

約数ペア:

[(1, 3950980), (2, 1975490), (4, 987745), (5, 790196), (10, 395098), (11, 359180), (20, 197549), (22, 179590), (44, 89795), (55, 71836), (110, 35918), (220, 17959)]