7780720

素因数分解:

$2^4\times 5^1\times {\mathrm{97259}}^1$

素因数の和:97272

約数の個数: 20

約数和(自身を含む): 18090360

約数和(自身を除く): 10309640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97259, 194518, 389036, 486295, 778072, 972590, 1556144, 1945180, 3890360, 7780720]

約数ペア:

[(1, 7780720), (2, 3890360), (4, 1945180), (5, 1556144), (8, 972590), (10, 778072), (16, 486295), (20, 389036), (40, 194518), (80, 97259)]