42806540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305761}}^1$

素因数の和:305777

約数の個数: 24

約数和(自身を含む): 102736032

約数和(自身を除く): 59929492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305761, 611522, 1223044, 1528805, 2140327, 3057610, 4280654, 6115220, 8561308, 10701635, 21403270, 42806540]

約数ペア:

[(1, 42806540), (2, 21403270), (4, 10701635), (5, 8561308), (7, 6115220), (10, 4280654), (14, 3057610), (20, 2140327), (28, 1528805), (35, 1223044), (70, 611522), (140, 305761)]