25296590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 26958130

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 79, 82, 110, 142, 158, 205, 355, 395, 410, 451, 710, 781, 790, 869, 902, 1562, 1738, 2255, 2911, 3239, 3905, 4345, 4510, 5609, 5822, 6478, 7810, 8690, 11218, 14555, 16195, 28045, 29110, 32021, 32390, 35629, 56090, 61699, 64042, 71258, 123398, 160105, 178145, 229969, 308495, 320210, 356290, 459938, 616990, 1149845, 2299690, 2529659, 5059318, 12648295, 25296590]

約数ペア:

[(1, 25296590), (2, 12648295), (5, 5059318), (10, 2529659), (11, 2299690), (22, 1149845), (41, 616990), (55, 459938), (71, 356290), (79, 320210), (82, 308495), (110, 229969), (142, 178145), (158, 160105), (205, 123398), (355, 71258), (395, 64042), (410, 61699), (451, 56090), (710, 35629), (781, 32390), (790, 32021), (869, 29110), (902, 28045), (1562, 16195), (1738, 14555), (2255, 11218), (2911, 8690), (3239, 7810), (3905, 6478), (4345, 5822), (4510, 5609)]