15278320

素因数分解:

$2^4\times 5^1\times {\mathrm{190979}}^1$

素因数の和:190992

約数の個数: 20

約数和(自身を含む): 35522280

約数和(自身を除く): 20243960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190979, 381958, 763916, 954895, 1527832, 1909790, 3055664, 3819580, 7639160, 15278320]

約数ペア:

[(1, 15278320), (2, 7639160), (4, 3819580), (5, 3055664), (8, 1909790), (10, 1527832), (16, 954895), (20, 763916), (40, 381958), (80, 190979)]