80849890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17093}}^1$

素因数の和:17154

約数の個数: 32

約数和(自身を含む): 162461376

約数和(自身を除く): 81611486

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 17093, 34186, 85465, 170930, 188023, 376046, 734999, 940115, 1469998, 1880230, 3674995, 7349990, 8084989, 16169978, 40424945, 80849890]

約数ペア:

[(1, 80849890), (2, 40424945), (5, 16169978), (10, 8084989), (11, 7349990), (22, 3674995), (43, 1880230), (55, 1469998), (86, 940115), (110, 734999), (215, 376046), (430, 188023), (473, 170930), (946, 85465), (2365, 34186), (4730, 17093)]