220113080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{500257}}^1$

素因数の和:500279

約数の個数: 32

約数和(自身を含む): 540278640

約数和(自身を除く): 320165560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 500257, 1000514, 2001028, 2501285, 4002056, 5002570, 5502827, 10005140, 11005654, 20010280, 22011308, 27514135, 44022616, 55028270, 110056540, 220113080]

約数ペア:

[(1, 220113080), (2, 110056540), (4, 55028270), (5, 44022616), (8, 27514135), (10, 22011308), (11, 20010280), (20, 11005654), (22, 10005140), (40, 5502827), (44, 5002570), (55, 4002056), (88, 2501285), (110, 2001028), (220, 1000514), (440, 500257)]