28379080

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2311}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 64088640

約数和(自身を除く): 35709560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2311, 2456, 3070, 4622, 6140, 9244, 11555, 12280, 18488, 23110, 46220, 92440, 709477, 1418954, 2837908, 3547385, 5675816, 7094770, 14189540, 28379080]

約数ペア:

[(1, 28379080), (2, 14189540), (4, 7094770), (5, 5675816), (8, 3547385), (10, 2837908), (20, 1418954), (40, 709477), (307, 92440), (614, 46220), (1228, 23110), (1535, 18488), (2311, 12280), (2456, 11555), (3070, 9244), (4622, 6140)]