25578464

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 53388720

約数和(自身を除く): 27810256

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 641, 688, 928, 1247, 1282, 1376, 2494, 2564, 4988, 5128, 9976, 10256, 18589, 19952, 20512, 27563, 37178, 39904, 55126, 74356, 110252, 148712, 220504, 297424, 441008, 594848, 799327, 882016, 1598654, 3197308, 6394616, 12789232, 25578464]

約数ペア:

[(1, 25578464), (2, 12789232), (4, 6394616), (8, 3197308), (16, 1598654), (29, 882016), (32, 799327), (43, 594848), (58, 441008), (86, 297424), (116, 220504), (172, 148712), (232, 110252), (344, 74356), (464, 55126), (641, 39904), (688, 37178), (928, 27563), (1247, 20512), (1282, 19952), (1376, 18589), (2494, 10256), (2564, 9976), (4988, 5128)]