13642580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13921}}^1$

素因数の和:13944

約数の個数: 36

約数和(自身を含む): 33329268

約数和(自身を除く): 19686688

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13921, 27842, 55684, 69605, 97447, 139210, 194894, 278420, 389788, 487235, 682129, 974470, 1364258, 1948940, 2728516, 3410645, 6821290, 13642580]

約数ペア:

[(1, 13642580), (2, 6821290), (4, 3410645), (5, 2728516), (7, 1948940), (10, 1364258), (14, 974470), (20, 682129), (28, 487235), (35, 389788), (49, 278420), (70, 194894), (98, 139210), (140, 97447), (196, 69605), (245, 55684), (490, 27842), (980, 13921)]