1954480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 4959504

約数和(自身を除く): 3005024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2221, 4442, 8884, 11105, 17768, 22210, 24431, 35536, 44420, 48862, 88840, 97724, 122155, 177680, 195448, 244310, 390896, 488620, 977240, 1954480]

約数ペア:

[(1, 1954480), (2, 977240), (4, 488620), (5, 390896), (8, 244310), (10, 195448), (11, 177680), (16, 122155), (20, 97724), (22, 88840), (40, 48862), (44, 44420), (55, 35536), (80, 24431), (88, 22210), (110, 17768), (176, 11105), (220, 8884), (440, 4442), (880, 2221)]