12731320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 33566400

約数和(自身を除く): 20835080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1109, 1148, 1435, 1640, 2218, 2296, 2870, 4436, 5545, 5740, 7763, 8872, 11090, 11480, 15526, 22180, 31052, 38815, 44360, 45469, 62104, 77630, 90938, 155260, 181876, 227345, 310520, 318283, 363752, 454690, 636566, 909380, 1273132, 1591415, 1818760, 2546264, 3182830, 6365660, 12731320]

約数ペア:

[(1, 12731320), (2, 6365660), (4, 3182830), (5, 2546264), (7, 1818760), (8, 1591415), (10, 1273132), (14, 909380), (20, 636566), (28, 454690), (35, 363752), (40, 318283), (41, 310520), (56, 227345), (70, 181876), (82, 155260), (140, 90938), (164, 77630), (205, 62104), (280, 45469), (287, 44360), (328, 38815), (410, 31052), (574, 22180), (820, 15526), (1109, 11480), (1148, 11090), (1435, 8872), (1640, 7763), (2218, 5740), (2296, 5545), (2870, 4436)]