260179280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104911}}^1$

素因数の和:104955

約数の個数: 40

約数和(自身を含む): 624436224

約数和(自身を除く): 364256944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 104911, 209822, 419644, 524555, 839288, 1049110, 1678576, 2098220, 3252241, 4196440, 6504482, 8392880, 13008964, 16261205, 26017928, 32522410, 52035856, 65044820, 130089640, 260179280]

約数ペア:

[(1, 260179280), (2, 130089640), (4, 65044820), (5, 52035856), (8, 32522410), (10, 26017928), (16, 16261205), (20, 13008964), (31, 8392880), (40, 6504482), (62, 4196440), (80, 3252241), (124, 2098220), (155, 1678576), (248, 1049110), (310, 839288), (496, 524555), (620, 419644), (1240, 209822), (2480, 104911)]