8388920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 18958320

約数和(自身を除く): 10569400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 523, 802, 1046, 1604, 2005, 2092, 2615, 3208, 4010, 4184, 5230, 8020, 10460, 16040, 20920, 209723, 419446, 838892, 1048615, 1677784, 2097230, 4194460, 8388920]

約数ペア:

[(1, 8388920), (2, 4194460), (4, 2097230), (5, 1677784), (8, 1048615), (10, 838892), (20, 419446), (40, 209723), (401, 20920), (523, 16040), (802, 10460), (1046, 8020), (1604, 5230), (2005, 4184), (2092, 4010), (2615, 3208)]