124620520

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2417}}^1$

素因数の和:3717

約数の個数: 32

約数和(自身を含む): 280729800

約数和(自身を除く): 156109280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2417, 2578, 4834, 5156, 6445, 9668, 10312, 12085, 12890, 19336, 24170, 25780, 48340, 51560, 96680, 3115513, 6231026, 12462052, 15577565, 24924104, 31155130, 62310260, 124620520]

約数ペア:

[(1, 124620520), (2, 62310260), (4, 31155130), (5, 24924104), (8, 15577565), (10, 12462052), (20, 6231026), (40, 3115513), (1289, 96680), (2417, 51560), (2578, 48340), (4834, 25780), (5156, 24170), (6445, 19336), (9668, 12890), (10312, 12085)]