39835880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142271}}^1$

素因数の和:142289

約数の個数: 32

約数和(自身を含む): 102435840

約数和(自身を除く): 62599960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142271, 284542, 569084, 711355, 995897, 1138168, 1422710, 1991794, 2845420, 3983588, 4979485, 5690840, 7967176, 9958970, 19917940, 39835880]

約数ペア:

[(1, 39835880), (2, 19917940), (4, 9958970), (5, 7967176), (7, 5690840), (8, 4979485), (10, 3983588), (14, 2845420), (20, 1991794), (28, 1422710), (35, 1138168), (40, 995897), (56, 711355), (70, 569084), (140, 284542), (280, 142271)]