85960040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10799}}^1$

素因数の和:11009

約数の個数: 32

約数和(自身を含む): 194400000

約数和(自身を除く): 108439960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10799, 21598, 43196, 53995, 86392, 107990, 215980, 431960, 2149001, 4298002, 8596004, 10745005, 17192008, 21490010, 42980020, 85960040]

約数ペア:

[(1, 85960040), (2, 42980020), (4, 21490010), (5, 17192008), (8, 10745005), (10, 8596004), (20, 4298002), (40, 2149001), (199, 431960), (398, 215980), (796, 107990), (995, 86392), (1592, 53995), (1990, 43196), (3980, 21598), (7960, 10799)]