84213040

素因数分解:

$2^4\times 5^1\times {\mathrm{1052663}}^1$

素因数の和:1052676

約数の個数: 20

約数和(自身を含む): 195795504

約数和(自身を除く): 111582464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1052663, 2105326, 4210652, 5263315, 8421304, 10526630, 16842608, 21053260, 42106520, 84213040]

約数ペア:

[(1, 84213040), (2, 42106520), (4, 21053260), (5, 16842608), (8, 10526630), (10, 8421304), (16, 5263315), (20, 4210652), (40, 2105326), (80, 1052663)]