25776280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1607}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 58177440

約数和(自身を除く): 32401160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 1607, 2005, 3208, 3214, 4010, 6428, 8020, 8035, 12856, 16040, 16070, 32140, 64280, 644407, 1288814, 2577628, 3222035, 5155256, 6444070, 12888140, 25776280]

約数ペア:

[(1, 25776280), (2, 12888140), (4, 6444070), (5, 5155256), (8, 3222035), (10, 2577628), (20, 1288814), (40, 644407), (401, 64280), (802, 32140), (1604, 16070), (1607, 16040), (2005, 12856), (3208, 8035), (3214, 8020), (4010, 6428)]