64794040

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1877}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 146033280

約数和(自身を除く): 81239240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 1877, 3452, 3754, 4315, 6904, 7508, 8630, 9385, 15016, 17260, 18770, 34520, 37540, 75080, 1619851, 3239702, 6479404, 8099255, 12958808, 16198510, 32397020, 64794040]

約数ペア:

[(1, 64794040), (2, 32397020), (4, 16198510), (5, 12958808), (8, 8099255), (10, 6479404), (20, 3239702), (40, 1619851), (863, 75080), (1726, 37540), (1877, 34520), (3452, 18770), (3754, 17260), (4315, 15016), (6904, 9385), (7508, 8630)]