518000080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16067}}^1$

素因数の和:16124

約数の個数: 80

約数和(自身を含む): 1338914304

約数和(自身を除く): 820914224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16067, 16120, 32134, 32240, 64268, 80335, 128536, 160670, 208871, 257072, 321340, 417742, 498077, 642680, 835484, 996154, 1044355, 1285360, 1670968, 1992308, 2088710, 2490385, 3341936, 3984616, 4177420, 4980770, 6475001, 7969232, 8354840, 9961540, 12950002, 16709680, 19923080, 25900004, 32375005, 39846160, 51800008, 64750010, 103600016, 129500020, 259000040, 518000080]

約数ペア:

[(1, 518000080), (2, 259000040), (4, 129500020), (5, 103600016), (8, 64750010), (10, 51800008), (13, 39846160), (16, 32375005), (20, 25900004), (26, 19923080), (31, 16709680), (40, 12950002), (52, 9961540), (62, 8354840), (65, 7969232), (80, 6475001), (104, 4980770), (124, 4177420), (130, 3984616), (155, 3341936), (208, 2490385), (248, 2088710), (260, 1992308), (310, 1670968), (403, 1285360), (496, 1044355), (520, 996154), (620, 835484), (806, 642680), (1040, 498077), (1240, 417742), (1612, 321340), (2015, 257072), (2480, 208871), (3224, 160670), (4030, 128536), (6448, 80335), (8060, 64268), (16067, 32240), (16120, 32134)]