2259280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 5428224

約数和(自身を除く): 3168944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 911, 1240, 1822, 2480, 3644, 4555, 7288, 9110, 14576, 18220, 28241, 36440, 56482, 72880, 112964, 141205, 225928, 282410, 451856, 564820, 1129640, 2259280]

約数ペア:

[(1, 2259280), (2, 1129640), (4, 564820), (5, 451856), (8, 282410), (10, 225928), (16, 141205), (20, 112964), (31, 72880), (40, 56482), (62, 36440), (80, 28241), (124, 18220), (155, 14576), (248, 9110), (310, 7288), (496, 4555), (620, 3644), (911, 2480), (1240, 1822)]