205122560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{40063}}^1$

素因数の和:40088

約数の個数: 44

約数和(自身を含む): 492066048

約数和(自身を除く): 286943488

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, 40063, 80126, 160252, 200315, 320504, 400630, 641008, 801260, 1282016, 1602520, 2564032, 3205040, 5128064, 6410080, 10256128, 12820160, 20512256, 25640320, 41024512, 51280640, 102561280, 205122560]

約数ペア:

[(1, 205122560), (2, 102561280), (4, 51280640), (5, 41024512), (8, 25640320), (10, 20512256), (16, 12820160), (20, 10256128), (32, 6410080), (40, 5128064), (64, 3205040), (80, 2564032), (128, 1602520), (160, 1282016), (256, 801260), (320, 641008), (512, 400630), (640, 320504), (1024, 200315), (1280, 160252), (2560, 80126), (5120, 40063)]