1243556240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{379133}}^1$

素因数の和:379187

約数の個数: 40

約数和(自身を含む): 2961794808

約数和(自身を除く): 1718238568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 379133, 758266, 1516532, 1895665, 3033064, 3791330, 6066128, 7582660, 15165320, 15544453, 30330640, 31088906, 62177812, 77722265, 124355624, 155444530, 248711248, 310889060, 621778120, 1243556240]

約数ペア:

[(1, 1243556240), (2, 621778120), (4, 310889060), (5, 248711248), (8, 155444530), (10, 124355624), (16, 77722265), (20, 62177812), (40, 31088906), (41, 30330640), (80, 15544453), (82, 15165320), (164, 7582660), (205, 6066128), (328, 3791330), (410, 3033064), (656, 1895665), (820, 1516532), (1640, 758266), (3280, 379133)]