2190658520

素因数分解:

$2^3\times 5^1\times {\mathrm{54766463}}^1$

素因数の和:54766474

約数の個数: 16

約数和(自身を含む): 4928981760

約数和(自身を除く): 2738323240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54766463, 109532926, 219065852, 273832315, 438131704, 547664630, 1095329260, 2190658520]

約数ペア:

[(1, 2190658520), (2, 1095329260), (4, 547664630), (5, 438131704), (8, 273832315), (10, 219065852), (20, 109532926), (40, 54766463)]