16945360

素因数分解:

$2^4\times 5^1\times {\mathrm{211817}}^1$

素因数の和:211830

約数の個数: 20

約数和(自身を含む): 39398148

約数和(自身を除く): 22452788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211817, 423634, 847268, 1059085, 1694536, 2118170, 3389072, 4236340, 8472680, 16945360]

約数ペア:

[(1, 16945360), (2, 8472680), (4, 4236340), (5, 3389072), (8, 2118170), (10, 1694536), (16, 1059085), (20, 847268), (40, 423634), (80, 211817)]