13221040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23609}}^1$

素因数の和:23629

約数の個数: 40

約数和(自身を含む): 35131680

約数和(自身を除く): 21910640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23609, 47218, 94436, 118045, 165263, 188872, 236090, 330526, 377744, 472180, 661052, 826315, 944360, 1322104, 1652630, 1888720, 2644208, 3305260, 6610520, 13221040]

約数ペア:

[(1, 13221040), (2, 6610520), (4, 3305260), (5, 2644208), (7, 1888720), (8, 1652630), (10, 1322104), (14, 944360), (16, 826315), (20, 661052), (28, 472180), (35, 377744), (40, 330526), (56, 236090), (70, 188872), (80, 165263), (112, 118045), (140, 94436), (280, 47218), (560, 23609)]