39895720

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1297}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 89951400

約数和(自身を除く): 50055680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1297, 1538, 2594, 3076, 3845, 5188, 6152, 6485, 7690, 10376, 12970, 15380, 25940, 30760, 51880, 997393, 1994786, 3989572, 4986965, 7979144, 9973930, 19947860, 39895720]

約数ペア:

[(1, 39895720), (2, 19947860), (4, 9973930), (5, 7979144), (8, 4986965), (10, 3989572), (20, 1994786), (40, 997393), (769, 51880), (1297, 30760), (1538, 25940), (2594, 15380), (3076, 12970), (3845, 10376), (5188, 7690), (6152, 6485)]