80204912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1979}}^1$

素因数の和:2153

約数の個数: 40

約数和(自身を含む): 165726000

約数和(自身を除く): 85521088

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 596, 1192, 1979, 2384, 2533, 3958, 5066, 7916, 10132, 15832, 20264, 31664, 33643, 40528, 67286, 134572, 269144, 294871, 538288, 589742, 1179484, 2358968, 4717936, 5012807, 10025614, 20051228, 40102456, 80204912]

約数ペア:

[(1, 80204912), (2, 40102456), (4, 20051228), (8, 10025614), (16, 5012807), (17, 4717936), (34, 2358968), (68, 1179484), (136, 589742), (149, 538288), (272, 294871), (298, 269144), (596, 134572), (1192, 67286), (1979, 40528), (2384, 33643), (2533, 31664), (3958, 20264), (5066, 15832), (7916, 10132)]