9890080

素因数分解:

$2^5\times 5^1\times {\mathrm{61813}}^1$

素因数の和:61828

約数の個数: 24

約数和(自身を含む): 23365692

約数和(自身を除く): 13475612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61813, 123626, 247252, 309065, 494504, 618130, 989008, 1236260, 1978016, 2472520, 4945040, 9890080]

約数ペア:

[(1, 9890080), (2, 4945040), (4, 2472520), (5, 1978016), (8, 1236260), (10, 989008), (16, 618130), (20, 494504), (32, 309065), (40, 247252), (80, 123626), (160, 61813)]