203977640

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{11777}}^1$

素因数の和:12221

約数の個数: 32

約数和(自身を含む): 460048680

約数和(自身を除く): 256071040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 8660, 11777, 17320, 23554, 47108, 58885, 94216, 117770, 235540, 471080, 5099441, 10198882, 20397764, 25497205, 40795528, 50994410, 101988820, 203977640]

約数ペア:

[(1, 203977640), (2, 101988820), (4, 50994410), (5, 40795528), (8, 25497205), (10, 20397764), (20, 10198882), (40, 5099441), (433, 471080), (866, 235540), (1732, 117770), (2165, 94216), (3464, 58885), (4330, 47108), (8660, 23554), (11777, 17320)]