123303280

素因数分解:

$2^4\times 5^1\times {\mathrm{1541291}}^1$

素因数の和:1541304

約数の個数: 20

約数和(自身を含む): 286680312

約数和(自身を除く): 163377032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1541291, 3082582, 6165164, 7706455, 12330328, 15412910, 24660656, 30825820, 61651640, 123303280]

約数ペア:

[(1, 123303280), (2, 61651640), (4, 30825820), (5, 24660656), (8, 15412910), (10, 12330328), (16, 7706455), (20, 6165164), (40, 3082582), (80, 1541291)]