65781940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7013}}^1$

素因数の和:7096

約数の個数: 48

約数和(自身を含む): 160255872

約数和(自身を除く): 94473932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 7013, 9380, 14026, 28052, 35065, 49091, 70130, 98182, 140260, 196364, 245455, 469871, 490910, 939742, 981820, 1879484, 2349355, 3289097, 4698710, 6578194, 9397420, 13156388, 16445485, 32890970, 65781940]

約数ペア:

[(1, 65781940), (2, 32890970), (4, 16445485), (5, 13156388), (7, 9397420), (10, 6578194), (14, 4698710), (20, 3289097), (28, 2349355), (35, 1879484), (67, 981820), (70, 939742), (134, 490910), (140, 469871), (268, 245455), (335, 196364), (469, 140260), (670, 98182), (938, 70130), (1340, 49091), (1876, 35065), (2345, 28052), (4690, 14026), (7013, 9380)]