127938980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1871}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 290594304

約数和(自身を除く): 162655324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 1871, 2630, 3419, 3742, 5260, 6838, 7484, 9355, 13676, 17095, 18710, 24323, 34190, 37420, 48646, 68380, 97292, 121615, 243230, 486460, 492073, 984146, 1968292, 2460365, 4920730, 6396949, 9841460, 12793898, 25587796, 31984745, 63969490, 127938980]

約数ペア:

[(1, 127938980), (2, 63969490), (4, 31984745), (5, 25587796), (10, 12793898), (13, 9841460), (20, 6396949), (26, 4920730), (52, 2460365), (65, 1968292), (130, 984146), (260, 492073), (263, 486460), (526, 243230), (1052, 121615), (1315, 97292), (1871, 68380), (2630, 48646), (3419, 37420), (3742, 34190), (5260, 24323), (6838, 18710), (7484, 17095), (9355, 13676)]