51205400

素因数分解:

$2^3\times 5^2\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 119523600

約数和(自身を除く): 68318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 503, 509, 1006, 1018, 2012, 2036, 2515, 2545, 4024, 4072, 5030, 5090, 10060, 10180, 12575, 12725, 20120, 20360, 25150, 25450, 50300, 50900, 100600, 101800, 256027, 512054, 1024108, 1280135, 2048216, 2560270, 5120540, 6400675, 10241080, 12801350, 25602700, 51205400]

約数ペア:

[(1, 51205400), (2, 25602700), (4, 12801350), (5, 10241080), (8, 6400675), (10, 5120540), (20, 2560270), (25, 2048216), (40, 1280135), (50, 1024108), (100, 512054), (200, 256027), (503, 101800), (509, 100600), (1006, 50900), (1018, 50300), (2012, 25450), (2036, 25150), (2515, 20360), (2545, 20120), (4024, 12725), (4072, 12575), (5030, 10180), (5090, 10060)]