80797900

素因数分解:

$2^2\times 5^2\times {\mathrm{827}}^1\times {\mathrm{977}}^1$

素因数の和:1818

約数の個数: 36

約数和(自身を含む): 175723128

約数和(自身を除く): 94925228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 827, 977, 1654, 1954, 3308, 3908, 4135, 4885, 8270, 9770, 16540, 19540, 20675, 24425, 41350, 48850, 82700, 97700, 807979, 1615958, 3231916, 4039895, 8079790, 16159580, 20199475, 40398950, 80797900]

約数ペア:

[(1, 80797900), (2, 40398950), (4, 20199475), (5, 16159580), (10, 8079790), (20, 4039895), (25, 3231916), (50, 1615958), (100, 807979), (827, 97700), (977, 82700), (1654, 48850), (1954, 41350), (3308, 24425), (3908, 20675), (4135, 19540), (4885, 16540), (8270, 9770)]