65870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1789}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 158780160

約数和(自身を除く): 92909180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1789, 1841, 2630, 3578, 3682, 5260, 7156, 7364, 8945, 9205, 12523, 17890, 18410, 25046, 35780, 36820, 50092, 62615, 125230, 250460, 470507, 941014, 1882028, 2352535, 3293549, 4705070, 6587098, 9410140, 13174196, 16467745, 32935490, 65870980]

約数ペア:

[(1, 65870980), (2, 32935490), (4, 16467745), (5, 13174196), (7, 9410140), (10, 6587098), (14, 4705070), (20, 3293549), (28, 2352535), (35, 1882028), (70, 941014), (140, 470507), (263, 250460), (526, 125230), (1052, 62615), (1315, 50092), (1789, 36820), (1841, 35780), (2630, 25046), (3578, 18410), (3682, 17890), (5260, 12523), (7156, 9205), (7364, 8945)]