2257394480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2565221}}^1$

素因数の和:2565245

約数の個数: 40

約数和(自身を含む): 5725575504

約数和(自身を除く): 3468181024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2565221, 5130442, 10260884, 12826105, 20521768, 25652210, 28217431, 41043536, 51304420, 56434862, 102608840, 112869724, 141087155, 205217680, 225739448, 282174310, 451478896, 564348620, 1128697240, 2257394480]

約数ペア:

[(1, 2257394480), (2, 1128697240), (4, 564348620), (5, 451478896), (8, 282174310), (10, 225739448), (11, 205217680), (16, 141087155), (20, 112869724), (22, 102608840), (40, 56434862), (44, 51304420), (55, 41043536), (80, 28217431), (88, 25652210), (110, 20521768), (176, 12826105), (220, 10260884), (440, 5130442), (880, 2565221)]