68482780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8539}}^1$

素因数の和:8949

約数の個数: 24

約数和(自身を含む): 144189360

約数和(自身を除く): 75706580

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 8539, 17078, 34156, 42695, 85390, 170780, 3424139, 6848278, 13696556, 17120695, 34241390, 68482780]

約数ペア:

[(1, 68482780), (2, 34241390), (4, 17120695), (5, 13696556), (10, 6848278), (20, 3424139), (401, 170780), (802, 85390), (1604, 42695), (2005, 34156), (4010, 17078), (8020, 8539)]