25810928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 60933600

約数和(自身を除く): 35122672

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 377, 389, 464, 572, 638, 754, 778, 1144, 1276, 1508, 1556, 2288, 2552, 3016, 3112, 4147, 4279, 5057, 5104, 6032, 6224, 8294, 8558, 10114, 11281, 16588, 17116, 20228, 22562, 33176, 34232, 40456, 45124, 55627, 66352, 68464, 80912, 90248, 111254, 124091, 146653, 180496, 222508, 248182, 293306, 445016, 496364, 586612, 890032, 992728, 1173224, 1613183, 1985456, 2346448, 3226366, 6452732, 12905464, 25810928]

約数ペア:

[(1, 25810928), (2, 12905464), (4, 6452732), (8, 3226366), (11, 2346448), (13, 1985456), (16, 1613183), (22, 1173224), (26, 992728), (29, 890032), (44, 586612), (52, 496364), (58, 445016), (88, 293306), (104, 248182), (116, 222508), (143, 180496), (176, 146653), (208, 124091), (232, 111254), (286, 90248), (319, 80912), (377, 68464), (389, 66352), (464, 55627), (572, 45124), (638, 40456), (754, 34232), (778, 33176), (1144, 22562), (1276, 20228), (1508, 17116), (1556, 16588), (2288, 11281), (2552, 10114), (3016, 8558), (3112, 8294), (4147, 6224), (4279, 6032), (5057, 5104)]