55220120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18911}}^1$

素因数の和:18995

約数の個数: 32

約数和(自身を含む): 125953920

約数和(自身を除く): 70733800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 18911, 37822, 75644, 94555, 151288, 189110, 378220, 756440, 1380503, 2761006, 5522012, 6902515, 11044024, 13805030, 27610060, 55220120]

約数ペア:

[(1, 55220120), (2, 27610060), (4, 13805030), (5, 11044024), (8, 6902515), (10, 5522012), (20, 2761006), (40, 1380503), (73, 756440), (146, 378220), (292, 189110), (365, 151288), (584, 94555), (730, 75644), (1460, 37822), (2920, 18911)]