55051280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 134924400

約数和(自身を除く): 79873120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 389, 464, 488, 580, 610, 778, 976, 1160, 1220, 1556, 1769, 1945, 2320, 2440, 3112, 3538, 3890, 4880, 6224, 7076, 7780, 8845, 11281, 14152, 15560, 17690, 22562, 23729, 28304, 31120, 35380, 45124, 47458, 56405, 70760, 90248, 94916, 112810, 118645, 141520, 180496, 189832, 225620, 237290, 379664, 451240, 474580, 688141, 902480, 949160, 1376282, 1898320, 2752564, 3440705, 5505128, 6881410, 11010256, 13762820, 27525640, 55051280]

約数ペア:

[(1, 55051280), (2, 27525640), (4, 13762820), (5, 11010256), (8, 6881410), (10, 5505128), (16, 3440705), (20, 2752564), (29, 1898320), (40, 1376282), (58, 949160), (61, 902480), (80, 688141), (116, 474580), (122, 451240), (145, 379664), (232, 237290), (244, 225620), (290, 189832), (305, 180496), (389, 141520), (464, 118645), (488, 112810), (580, 94916), (610, 90248), (778, 70760), (976, 56405), (1160, 47458), (1220, 45124), (1556, 35380), (1769, 31120), (1945, 28304), (2320, 23729), (2440, 22562), (3112, 17690), (3538, 15560), (3890, 14152), (4880, 11281), (6224, 8845), (7076, 7780)]