9960920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 24019200

約数和(自身を除く): 14058280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 277, 290, 310, 554, 580, 620, 899, 1108, 1160, 1240, 1385, 1798, 2216, 2770, 3596, 4495, 5540, 7192, 8033, 8587, 8990, 11080, 16066, 17174, 17980, 32132, 34348, 35960, 40165, 42935, 64264, 68696, 80330, 85870, 160660, 171740, 249023, 321320, 343480, 498046, 996092, 1245115, 1992184, 2490230, 4980460, 9960920]

約数ペア:

[(1, 9960920), (2, 4980460), (4, 2490230), (5, 1992184), (8, 1245115), (10, 996092), (20, 498046), (29, 343480), (31, 321320), (40, 249023), (58, 171740), (62, 160660), (116, 85870), (124, 80330), (145, 68696), (155, 64264), (232, 42935), (248, 40165), (277, 35960), (290, 34348), (310, 32132), (554, 17980), (580, 17174), (620, 16066), (899, 11080), (1108, 8990), (1160, 8587), (1240, 8033), (1385, 7192), (1798, 5540), (2216, 4495), (2770, 3596)]