255454840

素因数分解:

$2^3\times 5^1\times {\mathrm{6386371}}^1$

素因数の和:6386382

約数の個数: 16

約数和(自身を含む): 574773480

約数和(自身を除く): 319318640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6386371, 12772742, 25545484, 31931855, 51090968, 63863710, 127727420, 255454840]

約数ペア:

[(1, 255454840), (2, 127727420), (4, 63863710), (5, 51090968), (8, 31931855), (10, 25545484), (20, 12772742), (40, 6386371)]