25344680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5813}}^1$

素因数の和:5933

約数の個数: 32

約数和(自身を含む): 57558600

約数和(自身を除く): 32213920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5813, 11626, 23252, 29065, 46504, 58130, 116260, 232520, 633617, 1267234, 2534468, 3168085, 5068936, 6336170, 12672340, 25344680]

約数ペア:

[(1, 25344680), (2, 12672340), (4, 6336170), (5, 5068936), (8, 3168085), (10, 2534468), (20, 1267234), (40, 633617), (109, 232520), (218, 116260), (436, 58130), (545, 46504), (872, 29065), (1090, 23252), (2180, 11626), (4360, 5813)]