64580140

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2137}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 135771552

約数和(自身を除く): 71191412

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2137, 3022, 4274, 6044, 7555, 8548, 10685, 15110, 21370, 30220, 42740, 3229007, 6458014, 12916028, 16145035, 32290070, 64580140]

約数ペア:

[(1, 64580140), (2, 32290070), (4, 16145035), (5, 12916028), (10, 6458014), (20, 3229007), (1511, 42740), (2137, 30220), (3022, 21370), (4274, 15110), (6044, 10685), (7555, 8548)]