2904656840

素因数分解:

$2^3\times 5^1\times {\mathrm{72616421}}^1$

素因数の和:72616432

約数の個数: 16

約数和(自身を含む): 6535477980

約数和(自身を除く): 3630821140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72616421, 145232842, 290465684, 363082105, 580931368, 726164210, 1452328420, 2904656840]

約数ペア:

[(1, 2904656840), (2, 1452328420), (4, 726164210), (5, 580931368), (8, 363082105), (10, 290465684), (20, 145232842), (40, 72616421)]