205120520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{466183}}^1$

素因数の和:466205

約数の個数: 32

約数和(自身を含む): 503478720

約数和(自身を除く): 298358200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 466183, 932366, 1864732, 2330915, 3729464, 4661830, 5128013, 9323660, 10256026, 18647320, 20512052, 25640065, 41024104, 51280130, 102560260, 205120520]

約数ペア:

[(1, 205120520), (2, 102560260), (4, 51280130), (5, 41024104), (8, 25640065), (10, 20512052), (11, 18647320), (20, 10256026), (22, 9323660), (40, 5128013), (44, 4661830), (55, 3729464), (88, 2330915), (110, 1864732), (220, 932366), (440, 466183)]