8045652820

素因数分解:

$2^2\times 5^1\times {\mathrm{19139}}^1\times {\mathrm{21019}}^1$

素因数の和:40167

約数の個数: 24

約数和(自身を含む): 16897557600

約数和(自身を除く): 8851904780

約数列:

[1, 2, 4, 5, 10, 20, 19139, 21019, 38278, 42038, 76556, 84076, 95695, 105095, 191390, 210190, 382780, 420380, 402282641, 804565282, 1609130564, 2011413205, 4022826410, 8045652820]

約数ペア:

[(1, 8045652820), (2, 4022826410), (4, 2011413205), (5, 1609130564), (10, 804565282), (20, 402282641), (19139, 420380), (21019, 382780), (38278, 210190), (42038, 191390), (76556, 105095), (84076, 95695)]