2015393360

素因数分解:

$2^4\times 5^1\times {\mathrm{25192417}}^1$

素因数の和:25192430

約数の個数: 20

約数和(自身を含む): 4685789748

約数和(自身を除く): 2670396388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25192417, 50384834, 100769668, 125962085, 201539336, 251924170, 403078672, 503848340, 1007696680, 2015393360]

約数ペア:

[(1, 2015393360), (2, 1007696680), (4, 503848340), (5, 403078672), (8, 251924170), (10, 201539336), (16, 125962085), (20, 100769668), (40, 50384834), (80, 25192417)]