28042040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53927}}^1$

素因数の和:53951

約数の個数: 32

約数和(自身を含む): 67949280

約数和(自身を除く): 39907240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53927, 107854, 215708, 269635, 431416, 539270, 701051, 1078540, 1402102, 2157080, 2804204, 3505255, 5608408, 7010510, 14021020, 28042040]

約数ペア:

[(1, 28042040), (2, 14021020), (4, 7010510), (5, 5608408), (8, 3505255), (10, 2804204), (13, 2157080), (20, 1402102), (26, 1078540), (40, 701051), (52, 539270), (65, 431416), (104, 269635), (130, 215708), (260, 107854), (520, 53927)]