85371640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22003}}^1$

素因数の和:22111

約数の個数: 32

約数和(自身を含む): 194075280

約数和(自身を除く): 108703640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 22003, 44006, 88012, 110015, 176024, 220030, 440060, 880120, 2134291, 4268582, 8537164, 10671455, 17074328, 21342910, 42685820, 85371640]

約数ペア:

[(1, 85371640), (2, 42685820), (4, 21342910), (5, 17074328), (8, 10671455), (10, 8537164), (20, 4268582), (40, 2134291), (97, 880120), (194, 440060), (388, 220030), (485, 176024), (776, 110015), (970, 88012), (1940, 44006), (3880, 22003)]