25560320

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 64508640

約数和(自身を除く): 38948320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1051, 1216, 1280, 1520, 2102, 2432, 3040, 4204, 4864, 5255, 6080, 8408, 10510, 12160, 16816, 19969, 21020, 24320, 33632, 39938, 42040, 67264, 79876, 84080, 99845, 134528, 159752, 168160, 199690, 269056, 319504, 336320, 399380, 639008, 672640, 798760, 1278016, 1345280, 1597520, 2556032, 3195040, 5112064, 6390080, 12780160, 25560320]

約数ペア:

[(1, 25560320), (2, 12780160), (4, 6390080), (5, 5112064), (8, 3195040), (10, 2556032), (16, 1597520), (19, 1345280), (20, 1278016), (32, 798760), (38, 672640), (40, 639008), (64, 399380), (76, 336320), (80, 319504), (95, 269056), (128, 199690), (152, 168160), (160, 159752), (190, 134528), (256, 99845), (304, 84080), (320, 79876), (380, 67264), (608, 42040), (640, 39938), (760, 33632), (1051, 24320), (1216, 21020), (1280, 19969), (1520, 16816), (2102, 12160), (2432, 10510), (3040, 8408), (4204, 6080), (4864, 5255)]