40687620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6991}}^1$

素因数の和:7100

約数の個数: 48

約数和(自身を含む): 115116288

約数和(自身を除く): 74428668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 6991, 13982, 20973, 27964, 34955, 41946, 69910, 83892, 104865, 139820, 209730, 419460, 678127, 1356254, 2034381, 2712508, 3390635, 4068762, 6781270, 8137524, 10171905, 13562540, 20343810, 40687620]

約数ペア:

[(1, 40687620), (2, 20343810), (3, 13562540), (4, 10171905), (5, 8137524), (6, 6781270), (10, 4068762), (12, 3390635), (15, 2712508), (20, 2034381), (30, 1356254), (60, 678127), (97, 419460), (194, 209730), (291, 139820), (388, 104865), (485, 83892), (582, 69910), (970, 41946), (1164, 34955), (1455, 27964), (1940, 20973), (2910, 13982), (5820, 6991)]