40821272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 80947200

約数和(自身を除く): 40125928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 271, 542, 991, 1084, 1982, 2168, 3964, 5149, 7928, 10298, 18829, 20596, 37658, 41192, 75316, 150632, 268561, 537122, 1074244, 2148488, 5102659, 10205318, 20410636, 40821272]

約数ペア:

[(1, 40821272), (2, 20410636), (4, 10205318), (8, 5102659), (19, 2148488), (38, 1074244), (76, 537122), (152, 268561), (271, 150632), (542, 75316), (991, 41192), (1084, 37658), (1982, 20596), (2168, 18829), (3964, 10298), (5149, 7928)]