1226763320

素因数分解:

$2^3\times 5^1\times {\mathrm{5519}}^1\times {\mathrm{5557}}^1$

素因数の和:11087

約数の個数: 32

約数和(自身を含む): 2761214400

約数和(自身を除く): 1534451080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5519, 5557, 11038, 11114, 22076, 22228, 27595, 27785, 44152, 44456, 55190, 55570, 110380, 111140, 220760, 222280, 30669083, 61338166, 122676332, 153345415, 245352664, 306690830, 613381660, 1226763320]

約数ペア:

[(1, 1226763320), (2, 613381660), (4, 306690830), (5, 245352664), (8, 153345415), (10, 122676332), (20, 61338166), (40, 30669083), (5519, 222280), (5557, 220760), (11038, 111140), (11114, 110380), (22076, 55570), (22228, 55190), (27595, 44456), (27785, 44152)]