28694560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1$

素因数の和:9473

約数の個数: 48

約数和(自身を含む): 71366400

約数和(自身を除く): 42671840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9439, 18878, 37756, 47195, 75512, 94390, 151024, 179341, 188780, 302048, 358682, 377560, 717364, 755120, 896705, 1434728, 1510240, 1793410, 2869456, 3586820, 5738912, 7173640, 14347280, 28694560]

約数ペア:

[(1, 28694560), (2, 14347280), (4, 7173640), (5, 5738912), (8, 3586820), (10, 2869456), (16, 1793410), (19, 1510240), (20, 1434728), (32, 896705), (38, 755120), (40, 717364), (76, 377560), (80, 358682), (95, 302048), (152, 188780), (160, 179341), (190, 151024), (304, 94390), (380, 75512), (608, 47195), (760, 37756), (1520, 18878), (3040, 9439)]