28515080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 70545600

約数和(自身を除く): 42030520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 283, 440, 458, 566, 916, 1132, 1145, 1415, 1832, 2264, 2290, 2519, 2830, 3113, 4580, 5038, 5660, 6226, 9160, 10076, 11320, 12452, 12595, 15565, 20152, 24904, 25190, 31130, 50380, 62260, 64807, 100760, 124520, 129614, 259228, 324035, 518456, 648070, 712877, 1296140, 1425754, 2592280, 2851508, 3564385, 5703016, 7128770, 14257540, 28515080]

約数ペア:

[(1, 28515080), (2, 14257540), (4, 7128770), (5, 5703016), (8, 3564385), (10, 2851508), (11, 2592280), (20, 1425754), (22, 1296140), (40, 712877), (44, 648070), (55, 518456), (88, 324035), (110, 259228), (220, 129614), (229, 124520), (283, 100760), (440, 64807), (458, 62260), (566, 50380), (916, 31130), (1132, 25190), (1145, 24904), (1415, 20152), (1832, 15565), (2264, 12595), (2290, 12452), (2519, 11320), (2830, 10076), (3113, 9160), (4580, 6226), (5038, 5660)]