12390380

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3461}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 26172720

約数和(自身を除く): 13782340

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3461, 3580, 6922, 13844, 17305, 34610, 69220, 619519, 1239038, 2478076, 3097595, 6195190, 12390380]

約数ペア:

[(1, 12390380), (2, 6195190), (4, 3097595), (5, 2478076), (10, 1239038), (20, 619519), (179, 69220), (358, 34610), (716, 17305), (895, 13844), (1790, 6922), (3461, 3580)]