139360280

素因数分解:

$2^3\times 5^1\times {\mathrm{3484007}}^1$

素因数の和:3484018

約数の個数: 16

約数和(自身を含む): 313560720

約数和(自身を除く): 174200440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3484007, 6968014, 13936028, 17420035, 27872056, 34840070, 69680140, 139360280]

約数ペア:

[(1, 139360280), (2, 69680140), (4, 34840070), (5, 27872056), (8, 17420035), (10, 13936028), (20, 6968014), (40, 3484007)]