11256440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21647}}^1$

素因数の和:21671

約数の個数: 32

約数和(自身を含む): 27276480

約数和(自身を除く): 16020040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21647, 43294, 86588, 108235, 173176, 216470, 281411, 432940, 562822, 865880, 1125644, 1407055, 2251288, 2814110, 5628220, 11256440]

約数ペア:

[(1, 11256440), (2, 5628220), (4, 2814110), (5, 2251288), (8, 1407055), (10, 1125644), (13, 865880), (20, 562822), (26, 432940), (40, 281411), (52, 216470), (65, 173176), (104, 108235), (130, 86588), (260, 43294), (520, 21647)]