54151880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6803}}^1$

素因数の和:7013

約数の個数: 32

約数和(自身を含む): 122472000

約数和(自身を除く): 68320120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6803, 7960, 13606, 27212, 34015, 54424, 68030, 136060, 272120, 1353797, 2707594, 5415188, 6768985, 10830376, 13537970, 27075940, 54151880]

約数ペア:

[(1, 54151880), (2, 27075940), (4, 13537970), (5, 10830376), (8, 6768985), (10, 5415188), (20, 2707594), (40, 1353797), (199, 272120), (398, 136060), (796, 68030), (995, 54424), (1592, 34015), (1990, 27212), (3980, 13606), (6803, 7960)]