51458560

素因数分解:

$2^9\times 5^1\times {\mathrm{20101}}^1$

素因数の和:20124

約数の個数: 40

約数和(自身を含む): 123386076

約数和(自身を除く): 71927516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20101, 40202, 80404, 100505, 160808, 201010, 321616, 402020, 643232, 804040, 1286464, 1608080, 2572928, 3216160, 5145856, 6432320, 10291712, 12864640, 25729280, 51458560]

約数ペア:

[(1, 51458560), (2, 25729280), (4, 12864640), (5, 10291712), (8, 6432320), (10, 5145856), (16, 3216160), (20, 2572928), (32, 1608080), (40, 1286464), (64, 804040), (80, 643232), (128, 402020), (160, 321616), (256, 201010), (320, 160808), (512, 100505), (640, 80404), (1280, 40202), (2560, 20101)]