15612880

素因数分解:

$2^4\times 5^1\times {\mathrm{195161}}^1$

素因数の和:195174

約数の個数: 20

約数和(自身を含む): 36300132

約数和(自身を除く): 20687252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195161, 390322, 780644, 975805, 1561288, 1951610, 3122576, 3903220, 7806440, 15612880]

約数ペア:

[(1, 15612880), (2, 7806440), (4, 3903220), (5, 3122576), (8, 1951610), (10, 1561288), (16, 975805), (20, 780644), (40, 390322), (80, 195161)]