22157960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{50359}}^1$

素因数の和:50381

約数の個数: 32

約数和(自身を含む): 54388800

約数和(自身を除く): 32230840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 50359, 100718, 201436, 251795, 402872, 503590, 553949, 1007180, 1107898, 2014360, 2215796, 2769745, 4431592, 5539490, 11078980, 22157960]

約数ペア:

[(1, 22157960), (2, 11078980), (4, 5539490), (5, 4431592), (8, 2769745), (10, 2215796), (11, 2014360), (20, 1107898), (22, 1007180), (40, 553949), (44, 503590), (55, 402872), (88, 251795), (110, 201436), (220, 100718), (440, 50359)]