40905214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1493}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 74580480

約数和(自身を除く): 33675266

約数列:

[1, 2, 7, 14, 19, 38, 103, 133, 206, 266, 721, 1442, 1493, 1957, 2986, 3914, 10451, 13699, 20902, 27398, 28367, 56734, 153779, 198569, 307558, 397138, 1076453, 2152906, 2921801, 5843602, 20452607, 40905214]

約数ペア:

[(1, 40905214), (2, 20452607), (7, 5843602), (14, 2921801), (19, 2152906), (38, 1076453), (103, 397138), (133, 307558), (206, 198569), (266, 153779), (721, 56734), (1442, 28367), (1493, 27398), (1957, 20902), (2986, 13699), (3914, 10451)]