313633360

素因数分解:

$2^4\times 5^1\times {\mathrm{3920417}}^1$

素因数の和:3920430

約数の個数: 20

約数和(自身を含む): 729197748

約数和(自身を除く): 415564388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3920417, 7840834, 15681668, 19602085, 31363336, 39204170, 62726672, 78408340, 156816680, 313633360]

約数ペア:

[(1, 313633360), (2, 156816680), (4, 78408340), (5, 62726672), (8, 39204170), (10, 31363336), (16, 19602085), (20, 15681668), (40, 7840834), (80, 3920417)]