28825880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42391}}^1$

素因数の和:42419

約数の個数: 32

約数和(自身を含む): 68675040

約数和(自身を除く): 39849160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42391, 84782, 169564, 211955, 339128, 423910, 720647, 847820, 1441294, 1695640, 2882588, 3603235, 5765176, 7206470, 14412940, 28825880]

約数ペア:

[(1, 28825880), (2, 14412940), (4, 7206470), (5, 5765176), (8, 3603235), (10, 2882588), (17, 1695640), (20, 1441294), (34, 847820), (40, 720647), (68, 423910), (85, 339128), (136, 211955), (170, 169564), (340, 84782), (680, 42391)]