81190010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3709}}^1$

素因数の和:3926

約数の個数: 32

約数和(自身を含む): 160272000

約数和(自身を除く): 79081990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 3709, 4378, 7418, 10945, 18545, 21890, 37090, 40799, 81598, 203995, 407990, 738091, 1476182, 3690455, 7380910, 8119001, 16238002, 40595005, 81190010]

約数ペア:

[(1, 81190010), (2, 40595005), (5, 16238002), (10, 8119001), (11, 7380910), (22, 3690455), (55, 1476182), (110, 738091), (199, 407990), (398, 203995), (995, 81598), (1990, 40799), (2189, 37090), (3709, 21890), (4378, 18545), (7418, 10945)]