16530640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4217}}^1$

素因数の和:4244

約数の個数: 60

約数和(自身を含む): 44719236

約数和(自身を除く): 28188596

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4217, 8434, 16868, 21085, 29519, 33736, 42170, 59038, 67472, 84340, 118076, 147595, 168680, 206633, 236152, 295190, 337360, 413266, 472304, 590380, 826532, 1033165, 1180760, 1653064, 2066330, 2361520, 3306128, 4132660, 8265320, 16530640]

約数ペア:

[(1, 16530640), (2, 8265320), (4, 4132660), (5, 3306128), (7, 2361520), (8, 2066330), (10, 1653064), (14, 1180760), (16, 1033165), (20, 826532), (28, 590380), (35, 472304), (40, 413266), (49, 337360), (56, 295190), (70, 236152), (80, 206633), (98, 168680), (112, 147595), (140, 118076), (196, 84340), (245, 67472), (280, 59038), (392, 42170), (490, 33736), (560, 29519), (784, 21085), (980, 16868), (1960, 8434), (3920, 4217)]