81269510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{11969}}^1$

素因数の和:12080

約数の個数: 32

約数和(自身を含む): 168920640

約数和(自身を除く): 87651130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 11969, 23938, 59845, 83783, 119690, 167566, 418915, 837830, 1160993, 2321986, 5804965, 8126951, 11609930, 16253902, 40634755, 81269510]

約数ペア:

[(1, 81269510), (2, 40634755), (5, 16253902), (7, 11609930), (10, 8126951), (14, 5804965), (35, 2321986), (70, 1160993), (97, 837830), (194, 418915), (485, 167566), (679, 119690), (970, 83783), (1358, 59845), (3395, 23938), (6790, 11969)]