40666528

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 48

約数和(自身を含む): 92824704

約数和(自身を除く): 52158176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 2557, 3976, 5114, 7952, 10228, 15904, 17899, 20456, 35798, 40912, 71596, 81824, 143192, 181547, 286384, 363094, 572768, 726188, 1270829, 1452376, 2541658, 2904752, 5083316, 5809504, 10166632, 20333264, 40666528]

約数ペア:

[(1, 40666528), (2, 20333264), (4, 10166632), (7, 5809504), (8, 5083316), (14, 2904752), (16, 2541658), (28, 1452376), (32, 1270829), (56, 726188), (71, 572768), (112, 363094), (142, 286384), (224, 181547), (284, 143192), (497, 81824), (568, 71596), (994, 40912), (1136, 35798), (1988, 20456), (2272, 17899), (2557, 15904), (3976, 10228), (5114, 7952)]