51760420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36451}}^1$

素因数の和:36531

約数の個数: 24

約数和(自身を含む): 110230848

約数和(自身を除く): 58470428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 36451, 72902, 145804, 182255, 364510, 729020, 2588021, 5176042, 10352084, 12940105, 25880210, 51760420]

約数ペア:

[(1, 51760420), (2, 25880210), (4, 12940105), (5, 10352084), (10, 5176042), (20, 2588021), (71, 729020), (142, 364510), (284, 182255), (355, 145804), (710, 72902), (1420, 36451)]