40639816

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 90739440

約数和(自身を除く): 50099624

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 2107, 2408, 2411, 4214, 4822, 8428, 9644, 16856, 16877, 19288, 33754, 67508, 103673, 118139, 135016, 207346, 236278, 414692, 472556, 725711, 829384, 945112, 1451422, 2902844, 5079977, 5805688, 10159954, 20319908, 40639816]

約数ペア:

[(1, 40639816), (2, 20319908), (4, 10159954), (7, 5805688), (8, 5079977), (14, 2902844), (28, 1451422), (43, 945112), (49, 829384), (56, 725711), (86, 472556), (98, 414692), (172, 236278), (196, 207346), (301, 135016), (344, 118139), (392, 103673), (602, 67508), (1204, 33754), (2107, 19288), (2408, 16877), (2411, 16856), (4214, 9644), (4822, 8428)]