25883360

素因数分解:

$2^5\times 5^1\times {\mathrm{161771}}^1$

素因数の和:161786

約数の個数: 24

約数和(自身を含む): 61149816

約数和(自身を除く): 35266456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 161771, 323542, 647084, 808855, 1294168, 1617710, 2588336, 3235420, 5176672, 6470840, 12941680, 25883360]

約数ペア:

[(1, 25883360), (2, 12941680), (4, 6470840), (5, 5176672), (8, 3235420), (10, 2588336), (16, 1617710), (20, 1294168), (32, 808855), (40, 647084), (80, 323542), (160, 161771)]