6560420

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 13832448

約数和(自身を除く): 7272028

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 991, 1324, 1655, 1982, 3310, 3964, 4955, 6620, 9910, 19820, 328021, 656042, 1312084, 1640105, 3280210, 6560420]

約数ペア:

[(1, 6560420), (2, 3280210), (4, 1640105), (5, 1312084), (10, 656042), (20, 328021), (331, 19820), (662, 9910), (991, 6620), (1324, 4955), (1655, 3964), (1982, 3310)]