9968158280

素因数分解:

$2^3\times 5^1\times {\mathrm{249203957}}^1$

素因数の和:249203968

約数の個数: 16

約数和(自身を含む): 22428356220

約数和(自身を除く): 12460197940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249203957, 498407914, 996815828, 1246019785, 1993631656, 2492039570, 4984079140, 9968158280]

約数ペア:

[(1, 9968158280), (2, 4984079140), (4, 2492039570), (5, 1993631656), (8, 1246019785), (10, 996815828), (20, 498407914), (40, 249203957)]