40640012

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 87360000

約数和(自身を除く): 46719988

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1559, 1862, 3118, 3724, 6236, 6517, 10913, 13034, 21826, 26068, 29621, 43652, 59242, 76391, 118484, 152782, 207347, 305564, 414694, 534737, 829388, 1069474, 1451429, 2138948, 2902858, 5805716, 10160003, 20320006, 40640012]

約数ペア:

[(1, 40640012), (2, 20320006), (4, 10160003), (7, 5805716), (14, 2902858), (19, 2138948), (28, 1451429), (38, 1069474), (49, 829388), (76, 534737), (98, 414694), (133, 305564), (196, 207347), (266, 152782), (343, 118484), (532, 76391), (686, 59242), (931, 43652), (1372, 29621), (1559, 26068), (1862, 21826), (3118, 13034), (3724, 10913), (6236, 6517)]