13281940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13553}}^1$

素因数の和:13576

約数の個数: 36

約数和(自身を含む): 32448276

約数和(自身を除く): 19166336

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13553, 27106, 54212, 67765, 94871, 135530, 189742, 271060, 379484, 474355, 664097, 948710, 1328194, 1897420, 2656388, 3320485, 6640970, 13281940]

約数ペア:

[(1, 13281940), (2, 6640970), (4, 3320485), (5, 2656388), (7, 1897420), (10, 1328194), (14, 948710), (20, 664097), (28, 474355), (35, 379484), (49, 271060), (70, 189742), (98, 135530), (140, 94871), (196, 67765), (245, 54212), (490, 27106), (980, 13553)]