51980680

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1579}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 117172800

約数和(自身を除く): 65192120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1579, 1646, 3158, 3292, 4115, 6316, 6584, 7895, 8230, 12632, 15790, 16460, 31580, 32920, 63160, 1299517, 2599034, 5198068, 6497585, 10396136, 12995170, 25990340, 51980680]

約数ペア:

[(1, 51980680), (2, 25990340), (4, 12995170), (5, 10396136), (8, 6497585), (10, 5198068), (20, 2599034), (40, 1299517), (823, 63160), (1579, 32920), (1646, 31580), (3158, 16460), (3292, 15790), (4115, 12632), (6316, 8230), (6584, 7895)]