134488210

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{20981}}^1$

素因数の和:21629

約数の個数: 16

約数和(自身を含む): 242467992

約数和(自身を除く): 107979782

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 20981, 41962, 104905, 209810, 13448821, 26897642, 67244105, 134488210]

約数ペア:

[(1, 134488210), (2, 67244105), (5, 26897642), (10, 13448821), (641, 209810), (1282, 104905), (3205, 41962), (6410, 20981)]