16900840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 42145920

約数和(自身を除く): 25245080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 541, 568, 710, 781, 1082, 1420, 1562, 2164, 2705, 2840, 3124, 3905, 4328, 5410, 5951, 6248, 7810, 10820, 11902, 15620, 21640, 23804, 29755, 31240, 38411, 47608, 59510, 76822, 119020, 153644, 192055, 238040, 307288, 384110, 422521, 768220, 845042, 1536440, 1690084, 2112605, 3380168, 4225210, 8450420, 16900840]

約数ペア:

[(1, 16900840), (2, 8450420), (4, 4225210), (5, 3380168), (8, 2112605), (10, 1690084), (11, 1536440), (20, 845042), (22, 768220), (40, 422521), (44, 384110), (55, 307288), (71, 238040), (88, 192055), (110, 153644), (142, 119020), (220, 76822), (284, 59510), (355, 47608), (440, 38411), (541, 31240), (568, 29755), (710, 23804), (781, 21640), (1082, 15620), (1420, 11902), (1562, 10820), (2164, 7810), (2705, 6248), (2840, 5951), (3124, 5410), (3905, 4328)]