2159921920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129803}}^1$

素因数の和:129837

約数の個数: 72

約数和(自身を含む): 5571706896

約数和(自身を除く): 3411784976

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, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 129803, 259606, 519212, 649015, 1038424, 1298030, 1687439, 2076848, 2596060, 3374878, 4153696, 5192120, 6749756, 8307392, 8437195, 10384240, 13499512, 16614784, 16874390, 20768480, 26999024, 33229568, 33748780, 41536960, 53998048, 67497560, 83073920, 107996096, 134995120, 166147840, 215992192, 269990240, 431984384, 539980480, 1079960960, 2159921920]

約数ペア:

[(1, 2159921920), (2, 1079960960), (4, 539980480), (5, 431984384), (8, 269990240), (10, 215992192), (13, 166147840), (16, 134995120), (20, 107996096), (26, 83073920), (32, 67497560), (40, 53998048), (52, 41536960), (64, 33748780), (65, 33229568), (80, 26999024), (104, 20768480), (128, 16874390), (130, 16614784), (160, 13499512), (208, 10384240), (256, 8437195), (260, 8307392), (320, 6749756), (416, 5192120), (520, 4153696), (640, 3374878), (832, 2596060), (1040, 2076848), (1280, 1687439), (1664, 1298030), (2080, 1038424), (3328, 649015), (4160, 519212), (8320, 259606), (16640, 129803)]