11919295280

素因数分解:

$2^4\times 5^1\times {\mathrm{148991191}}^1$

素因数の和:148991204

約数の個数: 20

約数和(自身を含む): 27712361712

約数和(自身を除く): 15793066432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 148991191, 297982382, 595964764, 744955955, 1191929528, 1489911910, 2383859056, 2979823820, 5959647640, 11919295280]

約数ペア:

[(1, 11919295280), (2, 5959647640), (4, 2979823820), (5, 2383859056), (8, 1489911910), (10, 1191929528), (16, 744955955), (20, 595964764), (40, 297982382), (80, 148991191)]