204560240

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8329}}^1$

素因数の和:8649

約数の個数: 40

約数和(自身を含む): 477209040

約数和(自身を除く): 272648800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 8329, 12280, 16658, 24560, 33316, 41645, 66632, 83290, 133264, 166580, 333160, 666320, 2557003, 5114006, 10228012, 12785015, 20456024, 25570030, 40912048, 51140060, 102280120, 204560240]

約数ペア:

[(1, 204560240), (2, 102280120), (4, 51140060), (5, 40912048), (8, 25570030), (10, 20456024), (16, 12785015), (20, 10228012), (40, 5114006), (80, 2557003), (307, 666320), (614, 333160), (1228, 166580), (1535, 133264), (2456, 83290), (3070, 66632), (4912, 41645), (6140, 33316), (8329, 24560), (12280, 16658)]