40340990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{881}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 76839840

約数和(自身を除く): 36498850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 482, 881, 1205, 1762, 2410, 4405, 4579, 8810, 9158, 16739, 22895, 33478, 45790, 83695, 167390, 212321, 424642, 1061605, 2123210, 4034099, 8068198, 20170495, 40340990]

約数ペア:

[(1, 40340990), (2, 20170495), (5, 8068198), (10, 4034099), (19, 2123210), (38, 1061605), (95, 424642), (190, 212321), (241, 167390), (482, 83695), (881, 45790), (1205, 33478), (1762, 22895), (2410, 16739), (4405, 9158), (4579, 8810)]