28080920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14327}}^1$

素因数の和:14352

約数の個数: 48

約数和(自身を含む): 73502640

約数和(自身を除く): 45421720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14327, 28654, 57308, 71635, 100289, 114616, 143270, 200578, 286540, 401156, 501445, 573080, 702023, 802312, 1002890, 1404046, 2005780, 2808092, 3510115, 4011560, 5616184, 7020230, 14040460, 28080920]

約数ペア:

[(1, 28080920), (2, 14040460), (4, 7020230), (5, 5616184), (7, 4011560), (8, 3510115), (10, 2808092), (14, 2005780), (20, 1404046), (28, 1002890), (35, 802312), (40, 702023), (49, 573080), (56, 501445), (70, 401156), (98, 286540), (140, 200578), (196, 143270), (245, 114616), (280, 100289), (392, 71635), (490, 57308), (980, 28654), (1960, 14327)]