206961520

素因数分解:

$2^4\times 5^1\times {\mathrm{2587019}}^1$

素因数の和:2587032

約数の個数: 20

約数和(自身を含む): 481185720

約数和(自身を除く): 274224200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2587019, 5174038, 10348076, 12935095, 20696152, 25870190, 41392304, 51740380, 103480760, 206961520]

約数ペア:

[(1, 206961520), (2, 103480760), (4, 51740380), (5, 41392304), (8, 25870190), (10, 20696152), (16, 12935095), (20, 10348076), (40, 5174038), (80, 2587019)]