99139520

素因数分解:

$2^6\times 5^1\times {\mathrm{309811}}^1$

素因数の和:309828

約数の個数: 28

約数和(自身を含む): 236076744

約数和(自身を除く): 136937224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 309811, 619622, 1239244, 1549055, 2478488, 3098110, 4956976, 6196220, 9913952, 12392440, 19827904, 24784880, 49569760, 99139520]

約数ペア:

[(1, 99139520), (2, 49569760), (4, 24784880), (5, 19827904), (8, 12392440), (10, 9913952), (16, 6196220), (20, 4956976), (32, 3098110), (40, 2478488), (64, 1549055), (80, 1239244), (160, 619622), (320, 309811)]