248575640

素因数分解:

$2^3\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{2621}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 559744560

約数和(自身を除く): 311168920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2371, 2621, 4742, 5242, 9484, 10484, 11855, 13105, 18968, 20968, 23710, 26210, 47420, 52420, 94840, 104840, 6214391, 12428782, 24857564, 31071955, 49715128, 62143910, 124287820, 248575640]

約数ペア:

[(1, 248575640), (2, 124287820), (4, 62143910), (5, 49715128), (8, 31071955), (10, 24857564), (20, 12428782), (40, 6214391), (2371, 104840), (2621, 94840), (4742, 52420), (5242, 47420), (9484, 26210), (10484, 23710), (11855, 20968), (13105, 18968)]