2195458520

素因数分解:

$2^3\times 5^1\times {\mathrm{54886463}}^1$

素因数の和:54886474

約数の個数: 16

約数和(自身を含む): 4939781760

約数和(自身を除く): 2744323240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54886463, 109772926, 219545852, 274432315, 439091704, 548864630, 1097729260, 2195458520]

約数ペア:

[(1, 2195458520), (2, 1097729260), (4, 548864630), (5, 439091704), (8, 274432315), (10, 219545852), (20, 109772926), (40, 54886463)]