87531920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156307}}^1$

素因数の和:156327

約数の個数: 40

約数和(自身を含む): 232586304

約数和(自身を除く): 145054384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156307, 312614, 625228, 781535, 1094149, 1250456, 1563070, 2188298, 2500912, 3126140, 4376596, 5470745, 6252280, 8753192, 10941490, 12504560, 17506384, 21882980, 43765960, 87531920]

約数ペア:

[(1, 87531920), (2, 43765960), (4, 21882980), (5, 17506384), (7, 12504560), (8, 10941490), (10, 8753192), (14, 6252280), (16, 5470745), (20, 4376596), (28, 3126140), (35, 2500912), (40, 2188298), (56, 1563070), (70, 1250456), (80, 1094149), (112, 781535), (140, 625228), (280, 312614), (560, 156307)]