20180226100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2554459}}^1$

素因数の和:2554552

約数の個数: 36

約数和(自身を含む): 44345425600

約数和(自身を除く): 24165199500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 2554459, 5108918, 10217836, 12772295, 25544590, 51089180, 63861475, 127722950, 201802261, 255445900, 403604522, 807209044, 1009011305, 2018022610, 4036045220, 5045056525, 10090113050, 20180226100]

約数ペア:

[(1, 20180226100), (2, 10090113050), (4, 5045056525), (5, 4036045220), (10, 2018022610), (20, 1009011305), (25, 807209044), (50, 403604522), (79, 255445900), (100, 201802261), (158, 127722950), (316, 63861475), (395, 51089180), (790, 25544590), (1580, 12772295), (1975, 10217836), (3950, 5108918), (7900, 2554459)]