640051566295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{4049}}^1\times {\mathrm{4547}}^1$

素因数の和:9027

約数の個数: 32

約数和(自身を含む): 815611032000

約数和(自身を除く): 175559465705

約数列:

[1, 5, 17, 85, 409, 2045, 4049, 4547, 6953, 20245, 22735, 34765, 68833, 77299, 344165, 386495, 1656041, 1859723, 8280205, 9298615, 18410803, 28152697, 31615291, 92054015, 140763485, 158076455, 312983651, 1564918255, 7530018427, 37650092135, 128010313259, 640051566295]

約数ペア:

[(1, 640051566295), (5, 128010313259), (17, 37650092135), (85, 7530018427), (409, 1564918255), (2045, 312983651), (4049, 158076455), (4547, 140763485), (6953, 92054015), (20245, 31615291), (22735, 28152697), (34765, 18410803), (68833, 9298615), (77299, 8280205), (344165, 1859723), (386495, 1656041)]