12227440

素因数分解:

$2^4\times 5^1\times {\mathrm{152843}}^1$

素因数の和:152856

約数の個数: 20

約数和(自身を含む): 28428984

約数和(自身を除く): 16201544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 152843, 305686, 611372, 764215, 1222744, 1528430, 2445488, 3056860, 6113720, 12227440]

約数ペア:

[(1, 12227440), (2, 6113720), (4, 3056860), (5, 2445488), (8, 1528430), (10, 1222744), (16, 764215), (20, 611372), (40, 305686), (80, 152843)]