51687320

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2803}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 116590320

約数和(自身を除く): 64903000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 2803, 3688, 4610, 5606, 9220, 11212, 14015, 18440, 22424, 28030, 56060, 112120, 1292183, 2584366, 5168732, 6460915, 10337464, 12921830, 25843660, 51687320]

約数ペア:

[(1, 51687320), (2, 25843660), (4, 12921830), (5, 10337464), (8, 6460915), (10, 5168732), (20, 2584366), (40, 1292183), (461, 112120), (922, 56060), (1844, 28030), (2305, 22424), (2803, 18440), (3688, 14015), (4610, 11212), (5606, 9220)]