64466120

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2129}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 145308600

約数和(自身を除く): 80842480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 2129, 3028, 3785, 4258, 6056, 7570, 8516, 10645, 15140, 17032, 21290, 30280, 42580, 85160, 1611653, 3223306, 6446612, 8058265, 12893224, 16116530, 32233060, 64466120]

約数ペア:

[(1, 64466120), (2, 32233060), (4, 16116530), (5, 12893224), (8, 8058265), (10, 6446612), (20, 3223306), (40, 1611653), (757, 85160), (1514, 42580), (2129, 30280), (3028, 21290), (3785, 17032), (4258, 15140), (6056, 10645), (7570, 8516)]