26842280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21647}}^1$

素因数の和:21689

約数の個数: 32

約数和(自身を含む): 62346240

約数和(自身を除く): 35503960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21647, 43294, 86588, 108235, 173176, 216470, 432940, 671057, 865880, 1342114, 2684228, 3355285, 5368456, 6710570, 13421140, 26842280]

約数ペア:

[(1, 26842280), (2, 13421140), (4, 6710570), (5, 5368456), (8, 3355285), (10, 2684228), (20, 1342114), (31, 865880), (40, 671057), (62, 432940), (124, 216470), (155, 173176), (248, 108235), (310, 86588), (620, 43294), (1240, 21647)]