128660480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1971

約数の個数: 88

約数和(自身を含む): 332547432

約数和(自身を除く): 203886952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 1933, 2080, 2560, 3328, 3866, 4160, 5120, 6656, 7732, 8320, 9665, 13312, 15464, 16640, 19330, 25129, 30928, 33280, 38660, 50258, 61856, 66560, 77320, 100516, 123712, 125645, 154640, 201032, 247424, 251290, 309280, 402064, 494848, 502580, 618560, 804128, 989696, 1005160, 1237120, 1608256, 1979392, 2010320, 2474240, 3216512, 4020640, 4948480, 6433024, 8041280, 9896960, 12866048, 16082560, 25732096, 32165120, 64330240, 128660480]

約数ペア:

[(1, 128660480), (2, 64330240), (4, 32165120), (5, 25732096), (8, 16082560), (10, 12866048), (13, 9896960), (16, 8041280), (20, 6433024), (26, 4948480), (32, 4020640), (40, 3216512), (52, 2474240), (64, 2010320), (65, 1979392), (80, 1608256), (104, 1237120), (128, 1005160), (130, 989696), (160, 804128), (208, 618560), (256, 502580), (260, 494848), (320, 402064), (416, 309280), (512, 251290), (520, 247424), (640, 201032), (832, 154640), (1024, 125645), (1040, 123712), (1280, 100516), (1664, 77320), (1933, 66560), (2080, 61856), (2560, 50258), (3328, 38660), (3866, 33280), (4160, 30928), (5120, 25129), (6656, 19330), (7732, 16640), (8320, 15464), (9665, 13312)]