39809840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71089}}^1$

素因数の和:71109

約数の個数: 40

約数和(自身を含む): 105781920

約数和(自身を除く): 65972080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71089, 142178, 284356, 355445, 497623, 568712, 710890, 995246, 1137424, 1421780, 1990492, 2488115, 2843560, 3980984, 4976230, 5687120, 7961968, 9952460, 19904920, 39809840]

約数ペア:

[(1, 39809840), (2, 19904920), (4, 9952460), (5, 7961968), (7, 5687120), (8, 4976230), (10, 3980984), (14, 2843560), (16, 2488115), (20, 1990492), (28, 1421780), (35, 1137424), (40, 995246), (56, 710890), (70, 568712), (80, 497623), (112, 355445), (140, 284356), (280, 142178), (560, 71089)]