25462640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 43907920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1109, 1148, 1435, 1640, 2218, 2296, 2870, 3280, 4436, 4592, 5545, 5740, 7763, 8872, 11090, 11480, 15526, 17744, 22180, 22960, 31052, 38815, 44360, 45469, 62104, 77630, 88720, 90938, 124208, 155260, 181876, 227345, 310520, 318283, 363752, 454690, 621040, 636566, 727504, 909380, 1273132, 1591415, 1818760, 2546264, 3182830, 3637520, 5092528, 6365660, 12731320, 25462640]

約数ペア:

[(1, 25462640), (2, 12731320), (4, 6365660), (5, 5092528), (7, 3637520), (8, 3182830), (10, 2546264), (14, 1818760), (16, 1591415), (20, 1273132), (28, 909380), (35, 727504), (40, 636566), (41, 621040), (56, 454690), (70, 363752), (80, 318283), (82, 310520), (112, 227345), (140, 181876), (164, 155260), (205, 124208), (280, 90938), (287, 88720), (328, 77630), (410, 62104), (560, 45469), (574, 44360), (656, 38815), (820, 31052), (1109, 22960), (1148, 22180), (1435, 17744), (1640, 15526), (2218, 11480), (2296, 11090), (2870, 8872), (3280, 7763), (4436, 5740), (4592, 5545)]