8239323280

素因数分解:

$2^4\times 5^1\times {\mathrm{102991541}}^1$

素因数の和:102991554

約数の個数: 20

約数和(自身を含む): 19156426812

約数和(自身を除く): 10917103532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102991541, 205983082, 411966164, 514957705, 823932328, 1029915410, 1647864656, 2059830820, 4119661640, 8239323280]

約数ペア:

[(1, 8239323280), (2, 4119661640), (4, 2059830820), (5, 1647864656), (8, 1029915410), (10, 823932328), (16, 514957705), (20, 411966164), (40, 205983082), (80, 102991541)]