38665520

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4517}}^1$

素因数の和:4637

約数の個数: 40

約数和(自身を含む): 90757584

約数和(自身を除く): 52092064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4517, 8560, 9034, 18068, 22585, 36136, 45170, 72272, 90340, 180680, 361360, 483319, 966638, 1933276, 2416595, 3866552, 4833190, 7733104, 9666380, 19332760, 38665520]

約数ペア:

[(1, 38665520), (2, 19332760), (4, 9666380), (5, 7733104), (8, 4833190), (10, 3866552), (16, 2416595), (20, 1933276), (40, 966638), (80, 483319), (107, 361360), (214, 180680), (428, 90340), (535, 72272), (856, 45170), (1070, 36136), (1712, 22585), (2140, 18068), (4280, 9034), (4517, 8560)]