38764840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10889}}^1$

素因数の和:10989

約数の個数: 32

約数和(自身を含む): 88209000

約数和(自身を除く): 49444160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 10889, 21778, 43556, 54445, 87112, 108890, 217780, 435560, 969121, 1938242, 3876484, 4845605, 7752968, 9691210, 19382420, 38764840]

約数ペア:

[(1, 38764840), (2, 19382420), (4, 9691210), (5, 7752968), (8, 4845605), (10, 3876484), (20, 1938242), (40, 969121), (89, 435560), (178, 217780), (356, 108890), (445, 87112), (712, 54445), (890, 43556), (1780, 21778), (3560, 10889)]