15806120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35923}}^1$

素因数の和:35945

約数の個数: 32

約数和(自身を含む): 38797920

約数和(自身を除く): 22991800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 35923, 71846, 143692, 179615, 287384, 359230, 395153, 718460, 790306, 1436920, 1580612, 1975765, 3161224, 3951530, 7903060, 15806120]

約数ペア:

[(1, 15806120), (2, 7903060), (4, 3951530), (5, 3161224), (8, 1975765), (10, 1580612), (11, 1436920), (20, 790306), (22, 718460), (40, 395153), (44, 359230), (55, 287384), (88, 179615), (110, 143692), (220, 71846), (440, 35923)]