25851220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 58000320

約数和(自身を除く): 32149100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 547, 556, 695, 1094, 1390, 2188, 2363, 2735, 2780, 4726, 5470, 9299, 9452, 10940, 11815, 18598, 23630, 37196, 46495, 47260, 76033, 92990, 152066, 185980, 304132, 380165, 760330, 1292561, 1520660, 2585122, 5170244, 6462805, 12925610, 25851220]

約数ペア:

[(1, 25851220), (2, 12925610), (4, 6462805), (5, 5170244), (10, 2585122), (17, 1520660), (20, 1292561), (34, 760330), (68, 380165), (85, 304132), (139, 185980), (170, 152066), (278, 92990), (340, 76033), (547, 47260), (556, 46495), (695, 37196), (1094, 23630), (1390, 18598), (2188, 11815), (2363, 10940), (2735, 9452), (2780, 9299), (4726, 5470)]