2018032840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{471503}}^1$

素因数の和:471621

約数の個数: 32

約数和(自身を含む): 4583018880

約数和(自身を除く): 2564986040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 471503, 943006, 1886012, 2357515, 3772024, 4715030, 9430060, 18860120, 50450821, 100901642, 201803284, 252254105, 403606568, 504508210, 1009016420, 2018032840]

約数ペア:

[(1, 2018032840), (2, 1009016420), (4, 504508210), (5, 403606568), (8, 252254105), (10, 201803284), (20, 100901642), (40, 50450821), (107, 18860120), (214, 9430060), (428, 4715030), (535, 3772024), (856, 2357515), (1070, 1886012), (2140, 943006), (4280, 471503)]