255642538240

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1977433}}^1$

素因数の和:1977555

約数の個数: 72

約数和(自身を含む): 618406889688

約数和(自身を除く): 362764351448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 808, 1010, 1280, 1616, 2020, 3232, 4040, 6464, 8080, 12928, 16160, 25856, 32320, 64640, 129280, 1977433, 3954866, 7909732, 9887165, 15819464, 19774330, 31638928, 39548660, 63277856, 79097320, 126555712, 158194640, 199720733, 253111424, 316389280, 399441466, 506222848, 632778560, 798882932, 998603665, 1265557120, 1597765864, 1997207330, 2531114240, 3195531728, 3994414660, 6391063456, 7988829320, 12782126912, 15977658640, 25564253824, 31955317280, 51128507648, 63910634560, 127821269120, 255642538240]

約数ペア:

[(1, 255642538240), (2, 127821269120), (4, 63910634560), (5, 51128507648), (8, 31955317280), (10, 25564253824), (16, 15977658640), (20, 12782126912), (32, 7988829320), (40, 6391063456), (64, 3994414660), (80, 3195531728), (101, 2531114240), (128, 1997207330), (160, 1597765864), (202, 1265557120), (256, 998603665), (320, 798882932), (404, 632778560), (505, 506222848), (640, 399441466), (808, 316389280), (1010, 253111424), (1280, 199720733), (1616, 158194640), (2020, 126555712), (3232, 79097320), (4040, 63277856), (6464, 39548660), (8080, 31638928), (12928, 19774330), (16160, 15819464), (25856, 9887165), (32320, 7909732), (64640, 3954866), (129280, 1977433)]