64825720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85297}}^1$

素因数の和:85327

約数の個数: 32

約数和(自身を含む): 153536400

約数和(自身を除く): 88710680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85297, 170594, 341188, 426485, 682376, 852970, 1620643, 1705940, 3241286, 3411880, 6482572, 8103215, 12965144, 16206430, 32412860, 64825720]

約数ペア:

[(1, 64825720), (2, 32412860), (4, 16206430), (5, 12965144), (8, 8103215), (10, 6482572), (19, 3411880), (20, 3241286), (38, 1705940), (40, 1620643), (76, 852970), (95, 682376), (152, 426485), (190, 341188), (380, 170594), (760, 85297)]