38708680

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1091}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 87272640

約数和(自身を除く): 48563960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1091, 1774, 2182, 3548, 4364, 4435, 5455, 7096, 8728, 8870, 10910, 17740, 21820, 35480, 43640, 967717, 1935434, 3870868, 4838585, 7741736, 9677170, 19354340, 38708680]

約数ペア:

[(1, 38708680), (2, 19354340), (4, 9677170), (5, 7741736), (8, 4838585), (10, 3870868), (20, 1935434), (40, 967717), (887, 43640), (1091, 35480), (1774, 21820), (2182, 17740), (3548, 10910), (4364, 8870), (4435, 8728), (5455, 7096)]