640945312

素因数分解:

$2^5\times 7^1\times {\mathrm{2861363}}^1$

素因数の和:2861380

約数の個数: 24

約数和(自身を含む): 1442127456

約数和(自身を除く): 801182144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 2861363, 5722726, 11445452, 20029541, 22890904, 40059082, 45781808, 80118164, 91563616, 160236328, 320472656, 640945312]

約数ペア:

[(1, 640945312), (2, 320472656), (4, 160236328), (7, 91563616), (8, 80118164), (14, 45781808), (16, 40059082), (28, 22890904), (32, 20029541), (56, 11445452), (112, 5722726), (224, 2861363)]