78280820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53617}}^1$

素因数の和:53699

約数の個数: 24

約数和(自身を含む): 166644744

約数和(自身を除く): 88363924

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 53617, 107234, 214468, 268085, 536170, 1072340, 3914041, 7828082, 15656164, 19570205, 39140410, 78280820]

約数ペア:

[(1, 78280820), (2, 39140410), (4, 19570205), (5, 15656164), (10, 7828082), (20, 3914041), (73, 1072340), (146, 536170), (292, 268085), (365, 214468), (730, 107234), (1460, 53617)]