512560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 1227600

約数和(自身を除く): 715040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 149, 172, 215, 298, 344, 430, 596, 688, 745, 860, 1192, 1490, 1720, 2384, 2980, 3440, 5960, 6407, 11920, 12814, 25628, 32035, 51256, 64070, 102512, 128140, 256280, 512560]

約数ペア:

[(1, 512560), (2, 256280), (4, 128140), (5, 102512), (8, 64070), (10, 51256), (16, 32035), (20, 25628), (40, 12814), (43, 11920), (80, 6407), (86, 5960), (149, 3440), (172, 2980), (215, 2384), (298, 1720), (344, 1490), (430, 1192), (596, 860), (688, 745)]