64802420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14149}}^1$

素因数の和:14387

約数の個数: 24

約数和(自身を含む): 136689000

約数和(自身を除く): 71886580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 14149, 28298, 56596, 70745, 141490, 282980, 3240121, 6480242, 12960484, 16200605, 32401210, 64802420]

約数ペア:

[(1, 64802420), (2, 32401210), (4, 16200605), (5, 12960484), (10, 6480242), (20, 3240121), (229, 282980), (458, 141490), (916, 70745), (1145, 56596), (2290, 28298), (4580, 14149)]