80803840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 209139840

約数和(自身を除く): 128336000

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, 607, 640, 832, 1024, 1040, 1214, 1280, 1664, 2048, 2080, 2428, 2560, 3035, 3328, 4160, 4856, 5120, 6070, 6656, 7891, 8320, 9712, 10240, 12140, 13312, 15782, 16640, 19424, 24280, 26624, 31564, 33280, 38848, 39455, 48560, 63128, 66560, 77696, 78910, 97120, 126256, 133120, 155392, 157820, 194240, 252512, 310784, 315640, 388480, 505024, 621568, 631280, 776960, 1010048, 1243136, 1262560, 1553920, 2020096, 2525120, 3107840, 4040192, 5050240, 6215680, 8080384, 10100480, 16160768, 20200960, 40401920, 80803840]

約数ペア:

[(1, 80803840), (2, 40401920), (4, 20200960), (5, 16160768), (8, 10100480), (10, 8080384), (13, 6215680), (16, 5050240), (20, 4040192), (26, 3107840), (32, 2525120), (40, 2020096), (52, 1553920), (64, 1262560), (65, 1243136), (80, 1010048), (104, 776960), (128, 631280), (130, 621568), (160, 505024), (208, 388480), (256, 315640), (260, 310784), (320, 252512), (416, 194240), (512, 157820), (520, 155392), (607, 133120), (640, 126256), (832, 97120), (1024, 78910), (1040, 77696), (1214, 66560), (1280, 63128), (1664, 48560), (2048, 39455), (2080, 38848), (2428, 33280), (2560, 31564), (3035, 26624), (3328, 24280), (4160, 19424), (4856, 16640), (5120, 15782), (6070, 13312), (6656, 12140), (7891, 10240), (8320, 9712)]