72891125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 97943040

約数和(自身を除く): 25051915

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 475, 653, 893, 1175, 2375, 3265, 4465, 5875, 12407, 16325, 22325, 30691, 62035, 81625, 111625, 153455, 310175, 583129, 767275, 1550875, 2915645, 3836375, 14578225, 72891125]

約数ペア:

[(1, 72891125), (5, 14578225), (19, 3836375), (25, 2915645), (47, 1550875), (95, 767275), (125, 583129), (235, 310175), (475, 153455), (653, 111625), (893, 81625), (1175, 62035), (2375, 30691), (3265, 22325), (4465, 16325), (5875, 12407)]