28430480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27337}}^1$

素因数の和:27363

約数の個数: 40

約数和(自身を含む): 71188152

約数和(自身を除く): 42757672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27337, 54674, 109348, 136685, 218696, 273370, 355381, 437392, 546740, 710762, 1093480, 1421524, 1776905, 2186960, 2843048, 3553810, 5686096, 7107620, 14215240, 28430480]

約数ペア:

[(1, 28430480), (2, 14215240), (4, 7107620), (5, 5686096), (8, 3553810), (10, 2843048), (13, 2186960), (16, 1776905), (20, 1421524), (26, 1093480), (40, 710762), (52, 546740), (65, 437392), (80, 355381), (104, 273370), (130, 218696), (208, 136685), (260, 109348), (520, 54674), (1040, 27337)]