12785920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 35025984

約数和(自身を除く): 22240064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1427, 1792, 2240, 2854, 4480, 5708, 7135, 8960, 9989, 11416, 14270, 19978, 22832, 28540, 39956, 45664, 49945, 57080, 79912, 91328, 99890, 114160, 159824, 182656, 199780, 228320, 319648, 365312, 399560, 456640, 639296, 799120, 913280, 1278592, 1598240, 1826560, 2557184, 3196480, 6392960, 12785920]

約数ペア:

[(1, 12785920), (2, 6392960), (4, 3196480), (5, 2557184), (7, 1826560), (8, 1598240), (10, 1278592), (14, 913280), (16, 799120), (20, 639296), (28, 456640), (32, 399560), (35, 365312), (40, 319648), (56, 228320), (64, 199780), (70, 182656), (80, 159824), (112, 114160), (128, 99890), (140, 91328), (160, 79912), (224, 57080), (256, 49945), (280, 45664), (320, 39956), (448, 28540), (560, 22832), (640, 19978), (896, 14270), (1120, 11416), (1280, 9989), (1427, 8960), (1792, 7135), (2240, 5708), (2854, 4480)]