7021960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15959}}^1$

素因数の和:15981

約数の個数: 32

約数和(自身を含む): 17236800

約数和(自身を除く): 10214840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15959, 31918, 63836, 79795, 127672, 159590, 175549, 319180, 351098, 638360, 702196, 877745, 1404392, 1755490, 3510980, 7021960]

約数ペア:

[(1, 7021960), (2, 3510980), (4, 1755490), (5, 1404392), (8, 877745), (10, 702196), (11, 638360), (20, 351098), (22, 319180), (40, 175549), (44, 159590), (55, 127672), (88, 79795), (110, 63836), (220, 31918), (440, 15959)]