81114460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2203}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 195503616

約数和(自身を除く): 114389156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2203, 2630, 3682, 4406, 5260, 7364, 8812, 9205, 11015, 15421, 18410, 22030, 30842, 36820, 44060, 61684, 77105, 154210, 308420, 579389, 1158778, 2317556, 2896945, 4055723, 5793890, 8111446, 11587780, 16222892, 20278615, 40557230, 81114460]

約数ペア:

[(1, 81114460), (2, 40557230), (4, 20278615), (5, 16222892), (7, 11587780), (10, 8111446), (14, 5793890), (20, 4055723), (28, 2896945), (35, 2317556), (70, 1158778), (140, 579389), (263, 308420), (526, 154210), (1052, 77105), (1315, 61684), (1841, 44060), (2203, 36820), (2630, 30842), (3682, 22030), (4406, 18410), (5260, 15421), (7364, 11015), (8812, 9205)]