12171920

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 28464696

約数和(自身を除く): 16292776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 653, 932, 1165, 1306, 1864, 2330, 2612, 3265, 3728, 4660, 5224, 6530, 9320, 10448, 13060, 18640, 26120, 52240, 152149, 304298, 608596, 760745, 1217192, 1521490, 2434384, 3042980, 6085960, 12171920]

約数ペア:

[(1, 12171920), (2, 6085960), (4, 3042980), (5, 2434384), (8, 1521490), (10, 1217192), (16, 760745), (20, 608596), (40, 304298), (80, 152149), (233, 52240), (466, 26120), (653, 18640), (932, 13060), (1165, 10448), (1306, 9320), (1864, 6530), (2330, 5224), (2612, 4660), (3265, 3728)]