1684880

素因数分解:

$2^4\times 5^1\times {\mathrm{21061}}^1$

素因数の和:21074

約数の個数: 20

約数和(自身を含む): 3917532

約数和(自身を除く): 2232652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21061, 42122, 84244, 105305, 168488, 210610, 336976, 421220, 842440, 1684880]

約数ペア:

[(1, 1684880), (2, 842440), (4, 421220), (5, 336976), (8, 210610), (10, 168488), (16, 105305), (20, 84244), (40, 42122), (80, 21061)]