251012080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25931}}^1$

素因数の和:25966

約数の個数: 60

約数和(自身を含む): 641505816

約数和(自身を除く): 390493736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 25931, 51862, 103724, 129655, 207448, 259310, 285241, 414896, 518620, 570482, 1037240, 1140964, 1426205, 2074480, 2281928, 2852410, 3137651, 4563856, 5704820, 6275302, 11409640, 12550604, 15688255, 22819280, 25101208, 31376510, 50202416, 62753020, 125506040, 251012080]

約数ペア:

[(1, 251012080), (2, 125506040), (4, 62753020), (5, 50202416), (8, 31376510), (10, 25101208), (11, 22819280), (16, 15688255), (20, 12550604), (22, 11409640), (40, 6275302), (44, 5704820), (55, 4563856), (80, 3137651), (88, 2852410), (110, 2281928), (121, 2074480), (176, 1426205), (220, 1140964), (242, 1037240), (440, 570482), (484, 518620), (605, 414896), (880, 285241), (968, 259310), (1210, 207448), (1936, 129655), (2420, 103724), (4840, 51862), (9680, 25931)]