39380140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1451}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 48436820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 1180, 1357, 1451, 2714, 2902, 5428, 5804, 6785, 7255, 13570, 14510, 27140, 29020, 33373, 66746, 85609, 133492, 166865, 171218, 333730, 342436, 428045, 667460, 856090, 1712180, 1969007, 3938014, 7876028, 9845035, 19690070, 39380140]

約数ペア:

[(1, 39380140), (2, 19690070), (4, 9845035), (5, 7876028), (10, 3938014), (20, 1969007), (23, 1712180), (46, 856090), (59, 667460), (92, 428045), (115, 342436), (118, 333730), (230, 171218), (236, 166865), (295, 133492), (460, 85609), (590, 66746), (1180, 33373), (1357, 29020), (1451, 27140), (2714, 14510), (2902, 13570), (5428, 7255), (5804, 6785)]