215540680

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{6761}}^1$

素因数の和:7569

約数の個数: 32

約数和(自身を含む): 485646840

約数和(自身を除く): 270106160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6376, 6761, 7970, 13522, 15940, 27044, 31880, 33805, 54088, 67610, 135220, 270440, 5388517, 10777034, 21554068, 26942585, 43108136, 53885170, 107770340, 215540680]

約数ペア:

[(1, 215540680), (2, 107770340), (4, 53885170), (5, 43108136), (8, 26942585), (10, 21554068), (20, 10777034), (40, 5388517), (797, 270440), (1594, 135220), (3188, 67610), (3985, 54088), (6376, 33805), (6761, 31880), (7970, 27044), (13522, 15940)]