55590440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 130498560

約数和(自身を除く): 74908120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 353, 508, 620, 635, 706, 1016, 1240, 1270, 1412, 1765, 2540, 2824, 3530, 3937, 5080, 7060, 7874, 10943, 14120, 15748, 19685, 21886, 31496, 39370, 43772, 44831, 54715, 78740, 87544, 89662, 109430, 157480, 179324, 218860, 224155, 358648, 437720, 448310, 896620, 1389761, 1793240, 2779522, 5559044, 6948805, 11118088, 13897610, 27795220, 55590440]

約数ペア:

[(1, 55590440), (2, 27795220), (4, 13897610), (5, 11118088), (8, 6948805), (10, 5559044), (20, 2779522), (31, 1793240), (40, 1389761), (62, 896620), (124, 448310), (127, 437720), (155, 358648), (248, 224155), (254, 218860), (310, 179324), (353, 157480), (508, 109430), (620, 89662), (635, 87544), (706, 78740), (1016, 54715), (1240, 44831), (1270, 43772), (1412, 39370), (1765, 31496), (2540, 21886), (2824, 19685), (3530, 15748), (3937, 14120), (5080, 10943), (7060, 7874)]