89199760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 224985600

約数和(自身を除く): 135785840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 398, 431, 520, 796, 862, 995, 1040, 1592, 1724, 1990, 2155, 2587, 3184, 3448, 3980, 4310, 5174, 5603, 6896, 7960, 8620, 10348, 11206, 12935, 15920, 17240, 20696, 22412, 25870, 28015, 34480, 41392, 44824, 51740, 56030, 85769, 89648, 103480, 112060, 171538, 206960, 224120, 343076, 428845, 448240, 686152, 857690, 1114997, 1372304, 1715380, 2229994, 3430760, 4459988, 5574985, 6861520, 8919976, 11149970, 17839952, 22299940, 44599880, 89199760]

約数ペア:

[(1, 89199760), (2, 44599880), (4, 22299940), (5, 17839952), (8, 11149970), (10, 8919976), (13, 6861520), (16, 5574985), (20, 4459988), (26, 3430760), (40, 2229994), (52, 1715380), (65, 1372304), (80, 1114997), (104, 857690), (130, 686152), (199, 448240), (208, 428845), (260, 343076), (398, 224120), (431, 206960), (520, 171538), (796, 112060), (862, 103480), (995, 89648), (1040, 85769), (1592, 56030), (1724, 51740), (1990, 44824), (2155, 41392), (2587, 34480), (3184, 28015), (3448, 25870), (3980, 22412), (4310, 20696), (5174, 17240), (5603, 15920), (6896, 12935), (7960, 11206), (8620, 10348)]