28400128

素因数分解:

$2^9\times {\mathrm{55469}}^1$

素因数の和:55487

約数の個数: 20

約数和(自身を含む): 56745810

約数和(自身を除く): 28345682

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 55469, 110938, 221876, 443752, 887504, 1775008, 3550016, 7100032, 14200064, 28400128]

約数ペア:

[(1, 28400128), (2, 14200064), (4, 7100032), (8, 3550016), (16, 1775008), (32, 887504), (64, 443752), (128, 221876), (256, 110938), (512, 55469)]