72552940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213391}}^1$

素因数の和:213417

約数の個数: 24

約数和(自身を含む): 161324352

約数和(自身を除く): 88771412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 213391, 426782, 853564, 1066955, 2133910, 3627647, 4267820, 7255294, 14510588, 18138235, 36276470, 72552940]

約数ペア:

[(1, 72552940), (2, 36276470), (4, 18138235), (5, 14510588), (10, 7255294), (17, 4267820), (20, 3627647), (34, 2133910), (68, 1066955), (85, 853564), (170, 426782), (340, 213391)]