9881840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1223}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 23221728

約数和(自身を除く): 13339888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1223, 1616, 2020, 2446, 4040, 4892, 6115, 8080, 9784, 12230, 19568, 24460, 48920, 97840, 123523, 247046, 494092, 617615, 988184, 1235230, 1976368, 2470460, 4940920, 9881840]

約数ペア:

[(1, 9881840), (2, 4940920), (4, 2470460), (5, 1976368), (8, 1235230), (10, 988184), (16, 617615), (20, 494092), (40, 247046), (80, 123523), (101, 97840), (202, 48920), (404, 24460), (505, 19568), (808, 12230), (1010, 9784), (1223, 8080), (1616, 6115), (2020, 4892), (2446, 4040)]