5112320

素因数分解:

$2^9\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2020

約数の個数: 40

約数和(自身を含む): 12263724

約数和(自身を除く): 7151404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1997, 2560, 3994, 7988, 9985, 15976, 19970, 31952, 39940, 63904, 79880, 127808, 159760, 255616, 319520, 511232, 639040, 1022464, 1278080, 2556160, 5112320]

約数ペア:

[(1, 5112320), (2, 2556160), (4, 1278080), (5, 1022464), (8, 639040), (10, 511232), (16, 319520), (20, 255616), (32, 159760), (40, 127808), (64, 79880), (80, 63904), (128, 39940), (160, 31952), (256, 19970), (320, 15976), (512, 9985), (640, 7988), (1280, 3994), (1997, 2560)]