28162970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 55520640

約数和(自身を除く): 27357670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 503, 509, 1006, 1018, 2515, 2545, 5030, 5090, 5533, 5599, 11066, 11198, 27665, 27995, 55330, 55990, 256027, 512054, 1280135, 2560270, 2816297, 5632594, 14081485, 28162970]

約数ペア:

[(1, 28162970), (2, 14081485), (5, 5632594), (10, 2816297), (11, 2560270), (22, 1280135), (55, 512054), (110, 256027), (503, 55990), (509, 55330), (1006, 27995), (1018, 27665), (2515, 11198), (2545, 11066), (5030, 5599), (5090, 5533)]