53136880

素因数分解:

$2^4\times 5^1\times {\mathrm{664211}}^1$

素因数の和:664224

約数の個数: 20

約数和(自身を含む): 123543432

約数和(自身を除く): 70406552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 664211, 1328422, 2656844, 3321055, 5313688, 6642110, 10627376, 13284220, 26568440, 53136880]

約数ペア:

[(1, 53136880), (2, 26568440), (4, 13284220), (5, 10627376), (8, 6642110), (10, 5313688), (16, 3321055), (20, 2656844), (40, 1328422), (80, 664211)]