265804940

素因数分解:

$2^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{7963}}^1$

素因数の和:9641

約数の個数: 24

約数和(自身を含む): 558594960

約数和(自身を除く): 292790020

約数列:

[1, 2, 4, 5, 10, 20, 1669, 3338, 6676, 7963, 8345, 15926, 16690, 31852, 33380, 39815, 79630, 159260, 13290247, 26580494, 53160988, 66451235, 132902470, 265804940]

約数ペア:

[(1, 265804940), (2, 132902470), (4, 66451235), (5, 53160988), (10, 26580494), (20, 13290247), (1669, 159260), (3338, 79630), (6676, 39815), (7963, 33380), (8345, 31852), (15926, 16690)]