47816080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 80

約数和(自身を含む): 124992000

約数和(自身を除く): 77175920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 1999, 2392, 2990, 3998, 4784, 5980, 7996, 9995, 11960, 15992, 19990, 23920, 25987, 31984, 39980, 45977, 51974, 79960, 91954, 103948, 129935, 159920, 183908, 207896, 229885, 259870, 367816, 415792, 459770, 519740, 597701, 735632, 919540, 1039480, 1195402, 1839080, 2078960, 2390804, 2988505, 3678160, 4781608, 5977010, 9563216, 11954020, 23908040, 47816080]

約数ペア:

[(1, 47816080), (2, 23908040), (4, 11954020), (5, 9563216), (8, 5977010), (10, 4781608), (13, 3678160), (16, 2988505), (20, 2390804), (23, 2078960), (26, 1839080), (40, 1195402), (46, 1039480), (52, 919540), (65, 735632), (80, 597701), (92, 519740), (104, 459770), (115, 415792), (130, 367816), (184, 259870), (208, 229885), (230, 207896), (260, 183908), (299, 159920), (368, 129935), (460, 103948), (520, 91954), (598, 79960), (920, 51974), (1040, 45977), (1196, 39980), (1495, 31984), (1840, 25987), (1999, 23920), (2392, 19990), (2990, 15992), (3998, 11960), (4784, 9995), (5980, 7996)]