39975800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 93911400

約数和(自身を除く): 53935600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1979, 2020, 2525, 3958, 4040, 5050, 7916, 9895, 10100, 15832, 19790, 20200, 39580, 49475, 79160, 98950, 197900, 199879, 395800, 399758, 799516, 999395, 1599032, 1998790, 3997580, 4996975, 7995160, 9993950, 19987900, 39975800]

約数ペア:

[(1, 39975800), (2, 19987900), (4, 9993950), (5, 7995160), (8, 4996975), (10, 3997580), (20, 1998790), (25, 1599032), (40, 999395), (50, 799516), (100, 399758), (101, 395800), (200, 199879), (202, 197900), (404, 98950), (505, 79160), (808, 49475), (1010, 39580), (1979, 20200), (2020, 19790), (2525, 15832), (3958, 10100), (4040, 9895), (5050, 7916)]