4945040

素因数分解:

$2^4\times 5^1\times {\mathrm{61813}}^1$

素因数の和:61826

約数の個数: 20

約数和(自身を含む): 11497404

約数和(自身を除く): 6552364

約数列:

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

約数ペア:

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