24728720

素因数分解:

$2^4\times 5^1\times {\mathrm{309109}}^1$

素因数の和:309122

約数の個数: 20

約数和(自身を含む): 57494460

約数和(自身を除く): 32765740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 309109, 618218, 1236436, 1545545, 2472872, 3091090, 4945744, 6182180, 12364360, 24728720]

約数ペア:

[(1, 24728720), (2, 12364360), (4, 6182180), (5, 4945744), (8, 3091090), (10, 2472872), (16, 1545545), (20, 1236436), (40, 618218), (80, 309109)]