25571840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1457

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 44548672

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, 512, 560, 640, 896, 1120, 1280, 1427, 1792, 2240, 2560, 2854, 3584, 4480, 5708, 7135, 8960, 9989, 11416, 14270, 17920, 19978, 22832, 28540, 39956, 45664, 49945, 57080, 79912, 91328, 99890, 114160, 159824, 182656, 199780, 228320, 319648, 365312, 399560, 456640, 639296, 730624, 799120, 913280, 1278592, 1598240, 1826560, 2557184, 3196480, 3653120, 5114368, 6392960, 12785920, 25571840]

約数ペア:

[(1, 25571840), (2, 12785920), (4, 6392960), (5, 5114368), (7, 3653120), (8, 3196480), (10, 2557184), (14, 1826560), (16, 1598240), (20, 1278592), (28, 913280), (32, 799120), (35, 730624), (40, 639296), (56, 456640), (64, 399560), (70, 365312), (80, 319648), (112, 228320), (128, 199780), (140, 182656), (160, 159824), (224, 114160), (256, 99890), (280, 91328), (320, 79912), (448, 57080), (512, 49945), (560, 45664), (640, 39956), (896, 28540), (1120, 22832), (1280, 19978), (1427, 17920), (1792, 14270), (2240, 11416), (2560, 9989), (2854, 8960), (3584, 7135), (4480, 5708)]