8700040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 19673280

約数和(自身を除く): 10973240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 827, 1052, 1315, 1654, 2104, 2630, 3308, 4135, 5260, 6616, 8270, 10520, 16540, 33080, 217501, 435002, 870004, 1087505, 1740008, 2175010, 4350020, 8700040]

約数ペア:

[(1, 8700040), (2, 4350020), (4, 2175010), (5, 1740008), (8, 1087505), (10, 870004), (20, 435002), (40, 217501), (263, 33080), (526, 16540), (827, 10520), (1052, 8270), (1315, 6616), (1654, 5260), (2104, 4135), (2630, 3308)]