99742480

素因数分解:

$2^4\times 5^1\times {\mathrm{1246781}}^1$

素因数の和:1246794

約数の個数: 20

約数和(自身を含む): 231901452

約数和(自身を除く): 132158972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246781, 2493562, 4987124, 6233905, 9974248, 12467810, 19948496, 24935620, 49871240, 99742480]

約数ペア:

[(1, 99742480), (2, 49871240), (4, 24935620), (5, 19948496), (8, 12467810), (10, 9974248), (16, 6233905), (20, 4987124), (40, 2493562), (80, 1246781)]