78387520

素因数分解:

$2^6\times 5^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 187415424

約数和(自身を除く): 109027904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487, 503, 974, 1006, 1948, 2012, 2435, 2515, 3896, 4024, 4870, 5030, 7792, 8048, 9740, 10060, 15584, 16096, 19480, 20120, 31168, 32192, 38960, 40240, 77920, 80480, 155840, 160960, 244961, 489922, 979844, 1224805, 1959688, 2449610, 3919376, 4899220, 7838752, 9798440, 15677504, 19596880, 39193760, 78387520]

約数ペア:

[(1, 78387520), (2, 39193760), (4, 19596880), (5, 15677504), (8, 9798440), (10, 7838752), (16, 4899220), (20, 3919376), (32, 2449610), (40, 1959688), (64, 1224805), (80, 979844), (160, 489922), (320, 244961), (487, 160960), (503, 155840), (974, 80480), (1006, 77920), (1948, 40240), (2012, 38960), (2435, 32192), (2515, 31168), (3896, 20120), (4024, 19480), (4870, 16096), (5030, 15584), (7792, 10060), (8048, 9740)]