16126940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 35308224

約数和(自身を除く): 19181284

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 277, 284, 355, 410, 554, 710, 820, 1108, 1385, 1420, 2770, 2911, 5540, 5822, 11357, 11644, 14555, 19667, 22714, 29110, 39334, 45428, 56785, 58220, 78668, 98335, 113570, 196670, 227140, 393340, 806347, 1612694, 3225388, 4031735, 8063470, 16126940]

約数ペア:

[(1, 16126940), (2, 8063470), (4, 4031735), (5, 3225388), (10, 1612694), (20, 806347), (41, 393340), (71, 227140), (82, 196670), (142, 113570), (164, 98335), (205, 78668), (277, 58220), (284, 56785), (355, 45428), (410, 39334), (554, 29110), (710, 22714), (820, 19667), (1108, 14555), (1385, 11644), (1420, 11357), (2770, 5822), (2911, 5540)]