12888140

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1607}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 27149472

約数和(自身を除く): 14261332

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 1607, 2005, 3214, 4010, 6428, 8020, 8035, 16070, 32140, 644407, 1288814, 2577628, 3222035, 6444070, 12888140]

約数ペア:

[(1, 12888140), (2, 6444070), (4, 3222035), (5, 2577628), (10, 1288814), (20, 644407), (401, 32140), (802, 16070), (1604, 8035), (1607, 8020), (2005, 6428), (3214, 4010)]