13521880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3347}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 30734640

約数和(自身を除く): 17212760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3347, 4040, 6694, 13388, 16735, 26776, 33470, 66940, 133880, 338047, 676094, 1352188, 1690235, 2704376, 3380470, 6760940, 13521880]

約数ペア:

[(1, 13521880), (2, 6760940), (4, 3380470), (5, 2704376), (8, 1690235), (10, 1352188), (20, 676094), (40, 338047), (101, 133880), (202, 66940), (404, 33470), (505, 26776), (808, 16735), (1010, 13388), (2020, 6694), (3347, 4040)]