7885720960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947803}}^1$

素因数の和:947835

約数の個数: 64

約数和(自身を含む): 20301961680

約数和(自身を除く): 12416240720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 947803, 1895606, 3791212, 4739015, 7582424, 9478030, 12321439, 15164848, 18956060, 24642878, 30329696, 37912120, 49285756, 60659392, 61607195, 75824240, 98571512, 121318784, 123214390, 151648480, 197143024, 246428780, 303296960, 394286048, 492857560, 606593920, 788572096, 985715120, 1577144192, 1971430240, 3942860480, 7885720960]

約数ペア:

[(1, 7885720960), (2, 3942860480), (4, 1971430240), (5, 1577144192), (8, 985715120), (10, 788572096), (13, 606593920), (16, 492857560), (20, 394286048), (26, 303296960), (32, 246428780), (40, 197143024), (52, 151648480), (64, 123214390), (65, 121318784), (80, 98571512), (104, 75824240), (128, 61607195), (130, 60659392), (160, 49285756), (208, 37912120), (260, 30329696), (320, 24642878), (416, 18956060), (520, 15164848), (640, 12321439), (832, 9478030), (1040, 7582424), (1664, 4739015), (2080, 3791212), (4160, 1895606), (8320, 947803)]