39370840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3659}}^1$

素因数の和:3939

約数の個数: 32

約数和(自身を含む): 88938000

約数和(自身を除く): 49567160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 3659, 5380, 7318, 10760, 14636, 18295, 29272, 36590, 73180, 146360, 984271, 1968542, 3937084, 4921355, 7874168, 9842710, 19685420, 39370840]

約数ペア:

[(1, 39370840), (2, 19685420), (4, 9842710), (5, 7874168), (8, 4921355), (10, 3937084), (20, 1968542), (40, 984271), (269, 146360), (538, 73180), (1076, 36590), (1345, 29272), (2152, 18295), (2690, 14636), (3659, 10760), (5380, 7318)]