25205488

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 37290512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 451, 499, 574, 616, 656, 902, 998, 1148, 1232, 1804, 1996, 2296, 3157, 3493, 3608, 3992, 4592, 5489, 6314, 6986, 7216, 7984, 10978, 12628, 13972, 20459, 21956, 25256, 27944, 38423, 40918, 43912, 50512, 55888, 76846, 81836, 87824, 143213, 153692, 163672, 225049, 286426, 307384, 327344, 450098, 572852, 614768, 900196, 1145704, 1575343, 1800392, 2291408, 3150686, 3600784, 6301372, 12602744, 25205488]

約数ペア:

[(1, 25205488), (2, 12602744), (4, 6301372), (7, 3600784), (8, 3150686), (11, 2291408), (14, 1800392), (16, 1575343), (22, 1145704), (28, 900196), (41, 614768), (44, 572852), (56, 450098), (77, 327344), (82, 307384), (88, 286426), (112, 225049), (154, 163672), (164, 153692), (176, 143213), (287, 87824), (308, 81836), (328, 76846), (451, 55888), (499, 50512), (574, 43912), (616, 40918), (656, 38423), (902, 27944), (998, 25256), (1148, 21956), (1232, 20459), (1804, 13972), (1996, 12628), (2296, 10978), (3157, 7984), (3493, 7216), (3608, 6986), (3992, 6314), (4592, 5489)]