153863120

素因数分解:

$2^4\times 5^1\times {\mathrm{1923289}}^1$

素因数の和:1923302

約数の個数: 20

約数和(自身を含む): 357731940

約数和(自身を除く): 203868820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1923289, 3846578, 7693156, 9616445, 15386312, 19232890, 30772624, 38465780, 76931560, 153863120]

約数ペア:

[(1, 153863120), (2, 76931560), (4, 38465780), (5, 30772624), (8, 19232890), (10, 15386312), (16, 9616445), (20, 7693156), (40, 3846578), (80, 1923289)]