9984508720

素因数分解:

$2^4\times 5^1\times {\mathrm{11087}}^1\times {\mathrm{11257}}^1$

素因数の和:22357

約数の個数: 40

約数和(自身を含む): 23218138944

約数和(自身を除く): 13233630224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11087, 11257, 22174, 22514, 44348, 45028, 55435, 56285, 88696, 90056, 110870, 112570, 177392, 180112, 221740, 225140, 443480, 450280, 886960, 900560, 124806359, 249612718, 499225436, 624031795, 998450872, 1248063590, 1996901744, 2496127180, 4992254360, 9984508720]

約数ペア:

[(1, 9984508720), (2, 4992254360), (4, 2496127180), (5, 1996901744), (8, 1248063590), (10, 998450872), (16, 624031795), (20, 499225436), (40, 249612718), (80, 124806359), (11087, 900560), (11257, 886960), (22174, 450280), (22514, 443480), (44348, 225140), (45028, 221740), (55435, 180112), (56285, 177392), (88696, 112570), (90056, 110870)]