852567880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{495679}}^1$

素因数の和:495733

約数の個数: 32

約数和(自身を含む): 1962892800

約数和(自身を除く): 1110324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 495679, 991358, 1982716, 2478395, 3965432, 4956790, 9913580, 19827160, 21314197, 42628394, 85256788, 106570985, 170513576, 213141970, 426283940, 852567880]

約数ペア:

[(1, 852567880), (2, 426283940), (4, 213141970), (5, 170513576), (8, 106570985), (10, 85256788), (20, 42628394), (40, 21314197), (43, 19827160), (86, 9913580), (172, 4956790), (215, 3965432), (344, 2478395), (430, 1982716), (860, 991358), (1720, 495679)]