66809920

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2147

約数の個数: 56

約数和(自身を含む): 160714944

約数和(自身を除く): 93905024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2027, 2060, 3296, 4054, 4120, 6592, 8108, 8240, 10135, 16216, 16480, 20270, 32432, 32960, 40540, 64864, 81080, 129728, 162160, 208781, 324320, 417562, 648640, 835124, 1043905, 1670248, 2087810, 3340496, 4175620, 6680992, 8351240, 13361984, 16702480, 33404960, 66809920]

約数ペア:

[(1, 66809920), (2, 33404960), (4, 16702480), (5, 13361984), (8, 8351240), (10, 6680992), (16, 4175620), (20, 3340496), (32, 2087810), (40, 1670248), (64, 1043905), (80, 835124), (103, 648640), (160, 417562), (206, 324320), (320, 208781), (412, 162160), (515, 129728), (824, 81080), (1030, 64864), (1648, 40540), (2027, 32960), (2060, 32432), (3296, 20270), (4054, 16480), (4120, 16216), (6592, 10135), (8108, 8240)]