85213340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69847}}^1$

素因数の和:69917

約数の個数: 24

約数和(自身を含む): 181884192

約数和(自身を除く): 96670852

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 69847, 139694, 279388, 349235, 698470, 1396940, 4260667, 8521334, 17042668, 21303335, 42606670, 85213340]

約数ペア:

[(1, 85213340), (2, 42606670), (4, 21303335), (5, 17042668), (10, 8521334), (20, 4260667), (61, 1396940), (122, 698470), (244, 349235), (305, 279388), (610, 139694), (1220, 69847)]