127985420

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{8521}}^1$

素因数の和:9281

約数の個数: 24

約数和(自身を含む): 269158848

約数和(自身を除く): 141173428

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 8521, 15020, 17042, 34084, 42605, 85210, 170420, 6399271, 12798542, 25597084, 31996355, 63992710, 127985420]

約数ペア:

[(1, 127985420), (2, 63992710), (4, 31996355), (5, 25597084), (10, 12798542), (20, 6399271), (751, 170420), (1502, 85210), (3004, 42605), (3755, 34084), (7510, 17042), (8521, 15020)]