38408840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10789}}^1$

素因数の和:10889

約数の個数: 32

約数和(自身を含む): 87399000

約数和(自身を除く): 48990160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 10789, 21578, 43156, 53945, 86312, 107890, 215780, 431560, 960221, 1920442, 3840884, 4801105, 7681768, 9602210, 19204420, 38408840]

約数ペア:

[(1, 38408840), (2, 19204420), (4, 9602210), (5, 7681768), (8, 4801105), (10, 3840884), (20, 1920442), (40, 960221), (89, 431560), (178, 215780), (356, 107890), (445, 86312), (712, 53945), (890, 43156), (1780, 21578), (3560, 10789)]