13321840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23789}}^1$

素因数の和:23809

約数の個数: 40

約数和(自身を含む): 35399520

約数和(自身を除く): 22077680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23789, 47578, 95156, 118945, 166523, 190312, 237890, 333046, 380624, 475780, 666092, 832615, 951560, 1332184, 1665230, 1903120, 2664368, 3330460, 6660920, 13321840]

約数ペア:

[(1, 13321840), (2, 6660920), (4, 3330460), (5, 2664368), (7, 1903120), (8, 1665230), (10, 1332184), (14, 951560), (16, 832615), (20, 666092), (28, 475780), (35, 380624), (40, 333046), (56, 237890), (70, 190312), (80, 166523), (112, 118945), (140, 95156), (280, 47578), (560, 23789)]