208080080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8699}}^1$

素因数の和:8748

約数の個数: 80

約数和(自身を含む): 543715200

約数和(自身を除く): 335635120

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, 2392, 2990, 4784, 5980, 8699, 11960, 17398, 23920, 34796, 43495, 69592, 86990, 113087, 139184, 173980, 200077, 226174, 347960, 400154, 452348, 565435, 695920, 800308, 904696, 1000385, 1130870, 1600616, 1809392, 2000770, 2261740, 2601001, 3201232, 4001540, 4523480, 5202002, 8003080, 9046960, 10404004, 13005005, 16006160, 20808008, 26010010, 41616016, 52020020, 104040040, 208080080]

約数ペア:

[(1, 208080080), (2, 104040040), (4, 52020020), (5, 41616016), (8, 26010010), (10, 20808008), (13, 16006160), (16, 13005005), (20, 10404004), (23, 9046960), (26, 8003080), (40, 5202002), (46, 4523480), (52, 4001540), (65, 3201232), (80, 2601001), (92, 2261740), (104, 2000770), (115, 1809392), (130, 1600616), (184, 1130870), (208, 1000385), (230, 904696), (260, 800308), (299, 695920), (368, 565435), (460, 452348), (520, 400154), (598, 347960), (920, 226174), (1040, 200077), (1196, 173980), (1495, 139184), (1840, 113087), (2392, 86990), (2990, 69592), (4784, 43495), (5980, 34796), (8699, 23920), (11960, 17398)]