102781040

素因数分解:

$2^4\times 5^1\times {\mathrm{1284763}}^1$

素因数の和:1284776

約数の個数: 20

約数和(自身を含む): 238966104

約数和(自身を除く): 136185064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1284763, 2569526, 5139052, 6423815, 10278104, 12847630, 20556208, 25695260, 51390520, 102781040]

約数ペア:

[(1, 102781040), (2, 51390520), (4, 25695260), (5, 20556208), (8, 12847630), (10, 10278104), (16, 6423815), (20, 5139052), (40, 2569526), (80, 1284763)]