200914971280

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{10420901}}^1$

素因数の和:10421155

約数の個数: 40

約数和(自身を含む): 469065640824

約数和(自身を除く): 268150669544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 10420901, 20841802, 41683604, 52104505, 83367208, 104209010, 166734416, 208418020, 416836040, 833672080, 2511437141, 5022874282, 10045748564, 12557185705, 20091497128, 25114371410, 40182994256, 50228742820, 100457485640, 200914971280]

約数ペア:

[(1, 200914971280), (2, 100457485640), (4, 50228742820), (5, 40182994256), (8, 25114371410), (10, 20091497128), (16, 12557185705), (20, 10045748564), (40, 5022874282), (80, 2511437141), (241, 833672080), (482, 416836040), (964, 208418020), (1205, 166734416), (1928, 104209010), (2410, 83367208), (3856, 52104505), (4820, 41683604), (9640, 20841802), (19280, 10420901)]