3928720

素因数分解:

$2^4\times 5^1\times {\mathrm{49109}}^1$

素因数の和:49122

約数の個数: 20

約数和(自身を含む): 9134460

約数和(自身を除く): 5205740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49109, 98218, 196436, 245545, 392872, 491090, 785744, 982180, 1964360, 3928720]

約数ペア:

[(1, 3928720), (2, 1964360), (4, 982180), (5, 785744), (8, 491090), (10, 392872), (16, 245545), (20, 196436), (40, 98218), (80, 49109)]