12916940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37991}}^1$

素因数の和:38017

約数の個数: 24

約数和(自身を含む): 28721952

約数和(自身を除く): 15805012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37991, 75982, 151964, 189955, 379910, 645847, 759820, 1291694, 2583388, 3229235, 6458470, 12916940]

約数ペア:

[(1, 12916940), (2, 6458470), (4, 3229235), (5, 2583388), (10, 1291694), (17, 759820), (20, 645847), (34, 379910), (68, 189955), (85, 151964), (170, 75982), (340, 37991)]