68356280

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1447}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 154038240

約数和(自身を除く): 85681960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 1447, 2362, 2894, 4724, 5788, 5905, 7235, 9448, 11576, 11810, 14470, 23620, 28940, 47240, 57880, 1708907, 3417814, 6835628, 8544535, 13671256, 17089070, 34178140, 68356280]

約数ペア:

[(1, 68356280), (2, 34178140), (4, 17089070), (5, 13671256), (8, 8544535), (10, 6835628), (20, 3417814), (40, 1708907), (1181, 57880), (1447, 47240), (2362, 28940), (2894, 23620), (4724, 14470), (5788, 11810), (5905, 11576), (7235, 9448)]