254792480

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12539}}^1$

素因数の和:12681

約数の個数: 48

約数和(自身を含む): 606735360

約数和(自身を除く): 351942880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 12539, 20320, 25078, 50156, 62695, 100312, 125390, 200624, 250780, 401248, 501560, 1003120, 1592453, 2006240, 3184906, 6369812, 7962265, 12739624, 15924530, 25479248, 31849060, 50958496, 63698120, 127396240, 254792480]

約数ペア:

[(1, 254792480), (2, 127396240), (4, 63698120), (5, 50958496), (8, 31849060), (10, 25479248), (16, 15924530), (20, 12739624), (32, 7962265), (40, 6369812), (80, 3184906), (127, 2006240), (160, 1592453), (254, 1003120), (508, 501560), (635, 401248), (1016, 250780), (1270, 200624), (2032, 125390), (2540, 100312), (4064, 62695), (5080, 50156), (10160, 25078), (12539, 20320)]