40706560

素因数分解:

$2^9\times 5^1\times {\mathrm{15901}}^1$

素因数の和:15924

約数の個数: 40

約数和(自身を含む): 97606476

約数和(自身を除く): 56899916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15901, 31802, 63604, 79505, 127208, 159010, 254416, 318020, 508832, 636040, 1017664, 1272080, 2035328, 2544160, 4070656, 5088320, 8141312, 10176640, 20353280, 40706560]

約数ペア:

[(1, 40706560), (2, 20353280), (4, 10176640), (5, 8141312), (8, 5088320), (10, 4070656), (16, 2544160), (20, 2035328), (32, 1272080), (40, 1017664), (64, 636040), (80, 508832), (128, 318020), (160, 254416), (256, 159010), (320, 127208), (512, 79505), (640, 63604), (1280, 31802), (2560, 15901)]