9903760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2935

約数の個数: 40

約数和(自身を含む): 23569920

約数和(自身を除く): 13666160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2879, 3440, 5758, 11516, 14395, 23032, 28790, 46064, 57580, 115160, 123797, 230320, 247594, 495188, 618985, 990376, 1237970, 1980752, 2475940, 4951880, 9903760]

約数ペア:

[(1, 9903760), (2, 4951880), (4, 2475940), (5, 1980752), (8, 1237970), (10, 990376), (16, 618985), (20, 495188), (40, 247594), (43, 230320), (80, 123797), (86, 115160), (172, 57580), (215, 46064), (344, 28790), (430, 23032), (688, 14395), (860, 11516), (1720, 5758), (2879, 3440)]