40665280

素因数分解:

$2^6\times 5^1\times {\mathrm{127079}}^1$

素因数の和:127096

約数の個数: 28

約数和(自身を含む): 96834960

約数和(自身を除く): 56169680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127079, 254158, 508316, 635395, 1016632, 1270790, 2033264, 2541580, 4066528, 5083160, 8133056, 10166320, 20332640, 40665280]

約数ペア:

[(1, 40665280), (2, 20332640), (4, 10166320), (5, 8133056), (8, 5083160), (10, 4066528), (16, 2541580), (20, 2033264), (32, 1270790), (40, 1016632), (64, 635395), (80, 508316), (160, 254158), (320, 127079)]