220102520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{500233}}^1$

素因数の和:500255

約数の個数: 32

約数和(自身を含む): 540252720

約数和(自身を除く): 320150200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 500233, 1000466, 2000932, 2501165, 4001864, 5002330, 5502563, 10004660, 11005126, 20009320, 22010252, 27512815, 44020504, 55025630, 110051260, 220102520]

約数ペア:

[(1, 220102520), (2, 110051260), (4, 55025630), (5, 44020504), (8, 27512815), (10, 22010252), (11, 20009320), (20, 11005126), (22, 10004660), (40, 5502563), (44, 5002330), (55, 4001864), (88, 2501165), (110, 2000932), (220, 1000466), (440, 500233)]