78097640

素因数分解:

$2^3\times 5^1\times {\mathrm{1952441}}^1$

素因数の和:1952452

約数の個数: 16

約数和(自身を含む): 175719780

約数和(自身を除く): 97622140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1952441, 3904882, 7809764, 9762205, 15619528, 19524410, 39048820, 78097640]

約数ペア:

[(1, 78097640), (2, 39048820), (4, 19524410), (5, 15619528), (8, 9762205), (10, 7809764), (20, 3904882), (40, 1952441)]