28863520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25771}}^1$

素因数の和:25793

約数の個数: 48

約数和(自身を含む): 77934528

約数和(自身を除く): 49071008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25771, 51542, 103084, 128855, 180397, 206168, 257710, 360794, 412336, 515420, 721588, 824672, 901985, 1030840, 1443176, 1803970, 2061680, 2886352, 3607940, 4123360, 5772704, 7215880, 14431760, 28863520]

約数ペア:

[(1, 28863520), (2, 14431760), (4, 7215880), (5, 5772704), (7, 4123360), (8, 3607940), (10, 2886352), (14, 2061680), (16, 1803970), (20, 1443176), (28, 1030840), (32, 901985), (35, 824672), (40, 721588), (56, 515420), (70, 412336), (80, 360794), (112, 257710), (140, 206168), (160, 180397), (224, 128855), (280, 103084), (560, 51542), (1120, 25771)]