80886910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2741}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 157544352

約数和(自身を除く): 76657442

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2741, 2951, 5482, 5902, 13705, 14755, 27410, 29510, 35633, 71266, 178165, 356330, 622207, 1244414, 3111035, 6222070, 8088691, 16177382, 40443455, 80886910]

約数ペア:

[(1, 80886910), (2, 40443455), (5, 16177382), (10, 8088691), (13, 6222070), (26, 3111035), (65, 1244414), (130, 622207), (227, 356330), (454, 178165), (1135, 71266), (2270, 35633), (2741, 29510), (2951, 27410), (5482, 14755), (5902, 13705)]