1288502720

素因数分解:

$2^6\times 5^1\times {\mathrm{4026571}}^1$

素因数の和:4026588

約数の個数: 28

約数和(自身を含む): 3068247864

約数和(自身を除く): 1779745144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4026571, 8053142, 16106284, 20132855, 32212568, 40265710, 64425136, 80531420, 128850272, 161062840, 257700544, 322125680, 644251360, 1288502720]

約数ペア:

[(1, 1288502720), (2, 644251360), (4, 322125680), (5, 257700544), (8, 161062840), (10, 128850272), (16, 80531420), (20, 64425136), (32, 40265710), (40, 32212568), (64, 20132855), (80, 16106284), (160, 8053142), (320, 4026571)]