12520640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3557}}^1$

素因数の和:3585

約数の個数: 56

約数和(自身を含む): 32534352

約数和(自身を除く): 20013712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 3557, 7114, 14228, 17785, 28456, 35570, 39127, 56912, 71140, 78254, 113824, 142280, 156508, 195635, 227648, 284560, 313016, 391270, 569120, 626032, 782540, 1138240, 1252064, 1565080, 2504128, 3130160, 6260320, 12520640]

約数ペア:

[(1, 12520640), (2, 6260320), (4, 3130160), (5, 2504128), (8, 1565080), (10, 1252064), (11, 1138240), (16, 782540), (20, 626032), (22, 569120), (32, 391270), (40, 313016), (44, 284560), (55, 227648), (64, 195635), (80, 156508), (88, 142280), (110, 113824), (160, 78254), (176, 71140), (220, 56912), (320, 39127), (352, 35570), (440, 28456), (704, 17785), (880, 14228), (1760, 7114), (3520, 3557)]