12391280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14081}}^1$

素因数の和:14105

約数の個数: 40

約数和(自身を含む): 31431024

約数和(自身を除く): 19039744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14081, 28162, 56324, 70405, 112648, 140810, 154891, 225296, 281620, 309782, 563240, 619564, 774455, 1126480, 1239128, 1548910, 2478256, 3097820, 6195640, 12391280]

約数ペア:

[(1, 12391280), (2, 6195640), (4, 3097820), (5, 2478256), (8, 1548910), (10, 1239128), (11, 1126480), (16, 774455), (20, 619564), (22, 563240), (40, 309782), (44, 281620), (55, 225296), (80, 154891), (88, 140810), (110, 112648), (176, 70405), (220, 56324), (440, 28162), (880, 14081)]