40889095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 55177920

約数和(自身を除く): 14288825

約数列:

[1, 5, 13, 41, 65, 67, 205, 229, 335, 533, 871, 1145, 2665, 2747, 2977, 4355, 9389, 13735, 14885, 15343, 35711, 46945, 76715, 122057, 178555, 199459, 610285, 629063, 997295, 3145315, 8177819, 40889095]

約数ペア:

[(1, 40889095), (5, 8177819), (13, 3145315), (41, 997295), (65, 629063), (67, 610285), (205, 199459), (229, 178555), (335, 122057), (533, 76715), (871, 46945), (1145, 35711), (2665, 15343), (2747, 14885), (2977, 13735), (4355, 9389)]