66020725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 86914080

約数和(自身を除く): 20893355

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 1061, 2489, 3275, 5305, 12445, 20159, 26525, 62225, 100795, 138991, 503975, 694955, 2640829, 3474775, 13204145, 66020725]

約数ペア:

[(1, 66020725), (5, 13204145), (19, 3474775), (25, 2640829), (95, 694955), (131, 503975), (475, 138991), (655, 100795), (1061, 62225), (2489, 26525), (3275, 20159), (5305, 12445)]