82689620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7757}}^1$

素因数の和:7820

約数の個数: 48

約数和(自身を含む): 191591568

約数和(自身を除く): 108901948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7757, 10660, 15514, 31028, 38785, 77570, 100841, 155140, 201682, 318037, 403364, 504205, 636074, 1008410, 1272148, 1590185, 2016820, 3180370, 4134481, 6360740, 8268962, 16537924, 20672405, 41344810, 82689620]

約数ペア:

[(1, 82689620), (2, 41344810), (4, 20672405), (5, 16537924), (10, 8268962), (13, 6360740), (20, 4134481), (26, 3180370), (41, 2016820), (52, 1590185), (65, 1272148), (82, 1008410), (130, 636074), (164, 504205), (205, 403364), (260, 318037), (410, 201682), (533, 155140), (820, 100841), (1066, 77570), (2132, 38785), (2665, 31028), (5330, 15514), (7757, 10660)]