12946480

素因数分解:

$2^4\times 5^1\times {\mathrm{161831}}^1$

素因数の和:161844

約数の個数: 20

約数和(自身を含む): 30100752

約数和(自身を除く): 17154272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161831, 323662, 647324, 809155, 1294648, 1618310, 2589296, 3236620, 6473240, 12946480]

約数ペア:

[(1, 12946480), (2, 6473240), (4, 3236620), (5, 2589296), (8, 1618310), (10, 1294648), (16, 809155), (20, 647324), (40, 323662), (80, 161831)]