39006920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10957}}^1$

素因数の和:11057

約数の個数: 32

約数和(自身を含む): 88759800

約数和(自身を除く): 49752880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 10957, 21914, 43828, 54785, 87656, 109570, 219140, 438280, 975173, 1950346, 3900692, 4875865, 7801384, 9751730, 19503460, 39006920]

約数ペア:

[(1, 39006920), (2, 19503460), (4, 9751730), (5, 7801384), (8, 4875865), (10, 3900692), (20, 1950346), (40, 975173), (89, 438280), (178, 219140), (356, 109570), (445, 87656), (712, 54785), (890, 43828), (1780, 21914), (3560, 10957)]