90864640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17747}}^1$

素因数の和:17772

約数の個数: 44

約数和(自身を含む): 217980936

約数和(自身を除く): 127116296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17747, 35494, 70988, 88735, 141976, 177470, 283952, 354940, 567904, 709880, 1135808, 1419760, 2271616, 2839520, 4543232, 5679040, 9086464, 11358080, 18172928, 22716160, 45432320, 90864640]

約数ペア:

[(1, 90864640), (2, 45432320), (4, 22716160), (5, 18172928), (8, 11358080), (10, 9086464), (16, 5679040), (20, 4543232), (32, 2839520), (40, 2271616), (64, 1419760), (80, 1135808), (128, 709880), (160, 567904), (256, 354940), (320, 283952), (512, 177470), (640, 141976), (1024, 88735), (1280, 70988), (2560, 35494), (5120, 17747)]