12519280

素因数分解:

$2^4\times 5^1\times {\mathrm{156491}}^1$

素因数の和:156504

約数の個数: 20

約数和(自身を含む): 29107512

約数和(自身を除く): 16588232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156491, 312982, 625964, 782455, 1251928, 1564910, 2503856, 3129820, 6259640, 12519280]

約数ペア:

[(1, 12519280), (2, 6259640), (4, 3129820), (5, 2503856), (8, 1564910), (10, 1251928), (16, 782455), (20, 625964), (40, 312982), (80, 156491)]