13298860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 29836800

約数和(自身を除く): 16537940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 443, 790, 886, 1501, 1580, 1772, 2215, 3002, 4430, 6004, 7505, 8417, 8860, 15010, 16834, 30020, 33668, 34997, 42085, 69994, 84170, 139988, 168340, 174985, 349970, 664943, 699940, 1329886, 2659772, 3324715, 6649430, 13298860]

約数ペア:

[(1, 13298860), (2, 6649430), (4, 3324715), (5, 2659772), (10, 1329886), (19, 699940), (20, 664943), (38, 349970), (76, 174985), (79, 168340), (95, 139988), (158, 84170), (190, 69994), (316, 42085), (380, 34997), (395, 33668), (443, 30020), (790, 16834), (886, 15010), (1501, 8860), (1580, 8417), (1772, 7505), (2215, 6004), (3002, 4430)]