20161103080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{630823}}^1$

素因数の和:630898

約数の個数: 64

約数和(自身を含む): 49052874240

約数和(自身を除く): 28891771160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 15980, 31960, 630823, 1261646, 2523292, 3154115, 5046584, 6308230, 10723991, 12616460, 21447982, 25232920, 29648681, 42895964, 53619955, 59297362, 85791928, 107239910, 118594724, 148243405, 214479820, 237189448, 296486810, 428959640, 504027577, 592973620, 1008055154, 1185947240, 2016110308, 2520137885, 4032220616, 5040275770, 10080551540, 20161103080]

約数ペア:

[(1, 20161103080), (2, 10080551540), (4, 5040275770), (5, 4032220616), (8, 2520137885), (10, 2016110308), (17, 1185947240), (20, 1008055154), (34, 592973620), (40, 504027577), (47, 428959640), (68, 296486810), (85, 237189448), (94, 214479820), (136, 148243405), (170, 118594724), (188, 107239910), (235, 85791928), (340, 59297362), (376, 53619955), (470, 42895964), (680, 29648681), (799, 25232920), (940, 21447982), (1598, 12616460), (1880, 10723991), (3196, 6308230), (3995, 5046584), (6392, 3154115), (7990, 2523292), (15980, 1261646), (31960, 630823)]