13181960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29959}}^1$

素因数の和:29981

約数の個数: 32

約数和(自身を含む): 32356800

約数和(自身を除く): 19174840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29959, 59918, 119836, 149795, 239672, 299590, 329549, 599180, 659098, 1198360, 1318196, 1647745, 2636392, 3295490, 6590980, 13181960]

約数ペア:

[(1, 13181960), (2, 6590980), (4, 3295490), (5, 2636392), (8, 1647745), (10, 1318196), (11, 1198360), (20, 659098), (22, 599180), (40, 329549), (44, 299590), (55, 239672), (88, 149795), (110, 119836), (220, 59918), (440, 29959)]