71649280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6997}}^1$

素因数の和:7024

約数の個数: 48

約数和(自身を含む): 171940860

約数和(自身を除く): 100291580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6997, 10240, 13994, 27988, 34985, 55976, 69970, 111952, 139940, 223904, 279880, 447808, 559760, 895616, 1119520, 1791232, 2239040, 3582464, 4478080, 7164928, 8956160, 14329856, 17912320, 35824640, 71649280]

約数ペア:

[(1, 71649280), (2, 35824640), (4, 17912320), (5, 14329856), (8, 8956160), (10, 7164928), (16, 4478080), (20, 3582464), (32, 2239040), (40, 1791232), (64, 1119520), (80, 895616), (128, 559760), (160, 447808), (256, 279880), (320, 223904), (512, 139940), (640, 111952), (1024, 69970), (1280, 55976), (2048, 34985), (2560, 27988), (5120, 13994), (6997, 10240)]