528859720

素因数分解:

$2^3\times 5^1\times {\mathrm{13221493}}^1$

素因数の和:13221504

約数の個数: 16

約数和(自身を含む): 1189934460

約数和(自身を除く): 661074740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13221493, 26442986, 52885972, 66107465, 105771944, 132214930, 264429860, 528859720]

約数ペア:

[(1, 528859720), (2, 264429860), (4, 132214930), (5, 105771944), (8, 66107465), (10, 52885972), (20, 26442986), (40, 13221493)]