8021900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:938

約数の個数: 36

約数和(自身を含む): 17608248

約数和(自身を除く): 9586348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 827, 970, 1654, 1940, 2425, 3308, 4135, 4850, 8270, 9700, 16540, 20675, 41350, 80219, 82700, 160438, 320876, 401095, 802190, 1604380, 2005475, 4010950, 8021900]

約数ペア:

[(1, 8021900), (2, 4010950), (4, 2005475), (5, 1604380), (10, 802190), (20, 401095), (25, 320876), (50, 160438), (97, 82700), (100, 80219), (194, 41350), (388, 20675), (485, 16540), (827, 9700), (970, 8270), (1654, 4850), (1940, 4135), (2425, 3308)]