39944240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71329}}^1$

素因数の和:71349

約数の個数: 40

約数和(自身を含む): 106139040

約数和(自身を除く): 66194800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71329, 142658, 285316, 356645, 499303, 570632, 713290, 998606, 1141264, 1426580, 1997212, 2496515, 2853160, 3994424, 4993030, 5706320, 7988848, 9986060, 19972120, 39944240]

約数ペア:

[(1, 39944240), (2, 19972120), (4, 9986060), (5, 7988848), (7, 5706320), (8, 4993030), (10, 3994424), (14, 2853160), (16, 2496515), (20, 1997212), (28, 1426580), (35, 1141264), (40, 998606), (56, 713290), (70, 570632), (80, 499303), (112, 356645), (140, 285316), (280, 142658), (560, 71329)]