25105360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 67424256

約数和(自身を除く): 42318896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 353, 508, 560, 635, 706, 889, 1016, 1270, 1412, 1765, 1778, 2032, 2471, 2540, 2824, 3530, 3556, 4445, 4942, 5080, 5648, 7060, 7112, 8890, 9884, 10160, 12355, 14120, 14224, 17780, 19768, 24710, 28240, 35560, 39536, 44831, 49420, 71120, 89662, 98840, 179324, 197680, 224155, 313817, 358648, 448310, 627634, 717296, 896620, 1255268, 1569085, 1793240, 2510536, 3138170, 3586480, 5021072, 6276340, 12552680, 25105360]

約数ペア:

[(1, 25105360), (2, 12552680), (4, 6276340), (5, 5021072), (7, 3586480), (8, 3138170), (10, 2510536), (14, 1793240), (16, 1569085), (20, 1255268), (28, 896620), (35, 717296), (40, 627634), (56, 448310), (70, 358648), (80, 313817), (112, 224155), (127, 197680), (140, 179324), (254, 98840), (280, 89662), (353, 71120), (508, 49420), (560, 44831), (635, 39536), (706, 35560), (889, 28240), (1016, 24710), (1270, 19768), (1412, 17780), (1765, 14224), (1778, 14120), (2032, 12355), (2471, 10160), (2540, 9884), (2824, 8890), (3530, 7112), (3556, 7060), (4445, 5648), (4942, 5080)]