5151320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 11728800

約数和(自身を除く): 6577480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1447, 1780, 2894, 3560, 5788, 7235, 11576, 14470, 28940, 57880, 128783, 257566, 515132, 643915, 1030264, 1287830, 2575660, 5151320]

約数ペア:

[(1, 5151320), (2, 2575660), (4, 1287830), (5, 1030264), (8, 643915), (10, 515132), (20, 257566), (40, 128783), (89, 57880), (178, 28940), (356, 14470), (445, 11576), (712, 7235), (890, 5788), (1447, 3560), (1780, 2894)]