39825040

素因数分解:

$2^4\times 5^1\times {\mathrm{497813}}^1$

素因数の和:497826

約数の個数: 20

約数和(自身を含む): 92593404

約数和(自身を除く): 52768364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497813, 995626, 1991252, 2489065, 3982504, 4978130, 7965008, 9956260, 19912520, 39825040]

約数ペア:

[(1, 39825040), (2, 19912520), (4, 9956260), (5, 7965008), (8, 4978130), (10, 3982504), (16, 2489065), (20, 1991252), (40, 995626), (80, 497813)]