51199480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11743}}^1$

素因数の和:11863

約数の個数: 32

約数和(自身を含む): 116265600

約数和(自身を除く): 65066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11743, 23486, 46972, 58715, 93944, 117430, 234860, 469720, 1279987, 2559974, 5119948, 6399935, 10239896, 12799870, 25599740, 51199480]

約数ペア:

[(1, 51199480), (2, 25599740), (4, 12799870), (5, 10239896), (8, 6399935), (10, 5119948), (20, 2559974), (40, 1279987), (109, 469720), (218, 234860), (436, 117430), (545, 93944), (872, 58715), (1090, 46972), (2180, 23486), (4360, 11743)]