8353520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2158

約数の個数: 60

約数和(自身を含む): 22603464

約数和(自身を除く): 14249944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2131, 3920, 4262, 8524, 10655, 14917, 17048, 21310, 29834, 34096, 42620, 59668, 74585, 85240, 104419, 119336, 149170, 170480, 208838, 238672, 298340, 417676, 522095, 596680, 835352, 1044190, 1193360, 1670704, 2088380, 4176760, 8353520]

約数ペア:

[(1, 8353520), (2, 4176760), (4, 2088380), (5, 1670704), (7, 1193360), (8, 1044190), (10, 835352), (14, 596680), (16, 522095), (20, 417676), (28, 298340), (35, 238672), (40, 208838), (49, 170480), (56, 149170), (70, 119336), (80, 104419), (98, 85240), (112, 74585), (140, 59668), (196, 42620), (245, 34096), (280, 29834), (392, 21310), (490, 17048), (560, 14917), (784, 10655), (980, 8524), (1960, 4262), (2131, 3920)]