54147880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 126236880

約数和(自身を除く): 72089000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 241, 274, 328, 410, 482, 548, 685, 820, 964, 1096, 1205, 1370, 1640, 1928, 2410, 2740, 4820, 5480, 5617, 9640, 9881, 11234, 19762, 22468, 28085, 33017, 39524, 44936, 49405, 56170, 66034, 79048, 98810, 112340, 132068, 165085, 197620, 224680, 264136, 330170, 395240, 660340, 1320680, 1353697, 2707394, 5414788, 6768485, 10829576, 13536970, 27073940, 54147880]

約数ペア:

[(1, 54147880), (2, 27073940), (4, 13536970), (5, 10829576), (8, 6768485), (10, 5414788), (20, 2707394), (40, 1353697), (41, 1320680), (82, 660340), (137, 395240), (164, 330170), (205, 264136), (241, 224680), (274, 197620), (328, 165085), (410, 132068), (482, 112340), (548, 98810), (685, 79048), (820, 66034), (964, 56170), (1096, 49405), (1205, 44936), (1370, 39524), (1640, 33017), (1928, 28085), (2410, 22468), (2740, 19762), (4820, 11234), (5480, 9881), (5617, 9640)]