54229880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 128066400

約数和(自身を除く): 73836520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 769, 820, 860, 1538, 1640, 1720, 1763, 3076, 3526, 3845, 6152, 7052, 7690, 8815, 14104, 15380, 17630, 30760, 31529, 33067, 35260, 63058, 66134, 70520, 126116, 132268, 157645, 165335, 252232, 264536, 315290, 330670, 630580, 661340, 1261160, 1322680, 1355747, 2711494, 5422988, 6778735, 10845976, 13557470, 27114940, 54229880]

約数ペア:

[(1, 54229880), (2, 27114940), (4, 13557470), (5, 10845976), (8, 6778735), (10, 5422988), (20, 2711494), (40, 1355747), (41, 1322680), (43, 1261160), (82, 661340), (86, 630580), (164, 330670), (172, 315290), (205, 264536), (215, 252232), (328, 165335), (344, 157645), (410, 132268), (430, 126116), (769, 70520), (820, 66134), (860, 63058), (1538, 35260), (1640, 33067), (1720, 31529), (1763, 30760), (3076, 17630), (3526, 15380), (3845, 14104), (6152, 8815), (7052, 7690)]