27867920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3449}}^1$

素因数の和:3563

約数の個数: 40

約数和(自身を含む): 65453400

約数和(自身を除く): 37585480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3449, 4040, 6898, 8080, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 275920, 348349, 696698, 1393396, 1741745, 2786792, 3483490, 5573584, 6966980, 13933960, 27867920]

約数ペア:

[(1, 27867920), (2, 13933960), (4, 6966980), (5, 5573584), (8, 3483490), (10, 2786792), (16, 1741745), (20, 1393396), (40, 696698), (80, 348349), (101, 275920), (202, 137960), (404, 68980), (505, 55184), (808, 34490), (1010, 27592), (1616, 17245), (2020, 13796), (3449, 8080), (4040, 6898)]