40010865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 31873935

約数列:

[1, 3, 5, 15, 19, 29, 47, 57, 87, 95, 103, 141, 145, 235, 285, 309, 435, 515, 551, 705, 893, 1363, 1545, 1653, 1957, 2679, 2755, 2987, 4089, 4465, 4841, 5871, 6815, 8265, 8961, 9785, 13395, 14523, 14935, 20445, 24205, 25897, 29355, 44805, 56753, 72615, 77691, 91979, 129485, 140389, 170259, 275937, 283765, 388455, 421167, 459895, 701945, 851295, 1379685, 2105835, 2667391, 8002173, 13336955, 40010865]

約数ペア:

[(1, 40010865), (3, 13336955), (5, 8002173), (15, 2667391), (19, 2105835), (29, 1379685), (47, 851295), (57, 701945), (87, 459895), (95, 421167), (103, 388455), (141, 283765), (145, 275937), (235, 170259), (285, 140389), (309, 129485), (435, 91979), (515, 77691), (551, 72615), (705, 56753), (893, 44805), (1363, 29355), (1545, 25897), (1653, 24205), (1957, 20445), (2679, 14935), (2755, 14523), (2987, 13395), (4089, 9785), (4465, 8961), (4841, 8265), (5871, 6815)]