78565539740

素因数分解:

$2^2\times 5^1\times {\mathrm{6343}}^1\times {\mathrm{619309}}^1$

素因数の和:625661

約数の個数: 24

約数和(自身を含む): 165013910880

約数和(自身を除く): 86448371140

約数列:

[1, 2, 4, 5, 10, 20, 6343, 12686, 25372, 31715, 63430, 126860, 619309, 1238618, 2477236, 3096545, 6193090, 12386180, 3928276987, 7856553974, 15713107948, 19641384935, 39282769870, 78565539740]

約数ペア:

[(1, 78565539740), (2, 39282769870), (4, 19641384935), (5, 15713107948), (10, 7856553974), (20, 3928276987), (6343, 12386180), (12686, 6193090), (25372, 3096545), (31715, 2477236), (63430, 1238618), (126860, 619309)]