65203760

素因数分解:

$2^4\times 5^1\times {\mathrm{815047}}^1$

素因数の和:815060

約数の個数: 20

約数和(自身を含む): 151598928

約数和(自身を除く): 86395168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 815047, 1630094, 3260188, 4075235, 6520376, 8150470, 13040752, 16300940, 32601880, 65203760]

約数ペア:

[(1, 65203760), (2, 32601880), (4, 16300940), (5, 13040752), (8, 8150470), (10, 6520376), (16, 4075235), (20, 3260188), (40, 1630094), (80, 815047)]