12788260

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2377}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 26966520

約数和(自身を除く): 14178260

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2377, 2690, 4754, 5380, 9508, 11885, 23770, 47540, 639413, 1278826, 2557652, 3197065, 6394130, 12788260]

約数ペア:

[(1, 12788260), (2, 6394130), (4, 3197065), (5, 2557652), (10, 1278826), (20, 639413), (269, 47540), (538, 23770), (1076, 11885), (1345, 9508), (2377, 5380), (2690, 4754)]