64157440

素因数分解:

$2^8\times 5^1\times {\mathrm{50123}}^1$

素因数の和:50144

約数の個数: 36

約数和(自身を含む): 153680184

約数和(自身を除く): 89522744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50123, 100246, 200492, 250615, 400984, 501230, 801968, 1002460, 1603936, 2004920, 3207872, 4009840, 6415744, 8019680, 12831488, 16039360, 32078720, 64157440]

約数ペア:

[(1, 64157440), (2, 32078720), (4, 16039360), (5, 12831488), (8, 8019680), (10, 6415744), (16, 4009840), (20, 3207872), (32, 2004920), (40, 1603936), (64, 1002460), (80, 801968), (128, 501230), (160, 400984), (256, 250615), (320, 200492), (640, 100246), (1280, 50123)]