85218440

素因数分解:

$2^3\times 5^1\times {\mathrm{2130461}}^1$

素因数の和:2130472

約数の個数: 16

約数和(自身を含む): 191741580

約数和(自身を除く): 106523140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2130461, 4260922, 8521844, 10652305, 17043688, 21304610, 42609220, 85218440]

約数ペア:

[(1, 85218440), (2, 42609220), (4, 21304610), (5, 17043688), (8, 10652305), (10, 8521844), (20, 4260922), (40, 2130461)]