9906160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11257}}^1$

素因数の和:11281

約数の個数: 40

約数和(自身を含む): 25127856

約数和(自身を除く): 15221696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11257, 22514, 45028, 56285, 90056, 112570, 123827, 180112, 225140, 247654, 450280, 495308, 619135, 900560, 990616, 1238270, 1981232, 2476540, 4953080, 9906160]

約数ペア:

[(1, 9906160), (2, 4953080), (4, 2476540), (5, 1981232), (8, 1238270), (10, 990616), (11, 900560), (16, 619135), (20, 495308), (22, 450280), (40, 247654), (44, 225140), (55, 180112), (80, 123827), (88, 112570), (110, 90056), (176, 56285), (220, 45028), (440, 22514), (880, 11257)]