66204940

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{18493}}^1$

素因数の和:18681

約数の個数: 24

約数和(自身を含む): 139814640

約数和(自身を除く): 73609700

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 18493, 36986, 73972, 92465, 184930, 369860, 3310247, 6620494, 13240988, 16551235, 33102470, 66204940]

約数ペア:

[(1, 66204940), (2, 33102470), (4, 16551235), (5, 13240988), (10, 6620494), (20, 3310247), (179, 369860), (358, 184930), (716, 92465), (895, 73972), (1790, 36986), (3580, 18493)]