28498960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50891}}^1$

素因数の和:50911

約数の個数: 40

約数和(自身を含む): 75727296

約数和(自身を除く): 47228336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50891, 101782, 203564, 254455, 356237, 407128, 508910, 712474, 814256, 1017820, 1424948, 1781185, 2035640, 2849896, 3562370, 4071280, 5699792, 7124740, 14249480, 28498960]

約数ペア:

[(1, 28498960), (2, 14249480), (4, 7124740), (5, 5699792), (7, 4071280), (8, 3562370), (10, 2849896), (14, 2035640), (16, 1781185), (20, 1424948), (28, 1017820), (35, 814256), (40, 712474), (56, 508910), (70, 407128), (80, 356237), (112, 254455), (140, 203564), (280, 101782), (560, 50891)]