80205728

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2505

約数の個数: 48

約数和(自身を含む): 170004744

約数和(自身を除く): 89799016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 976, 1037, 1952, 2074, 2417, 4148, 4834, 8296, 9668, 16592, 19336, 33184, 38672, 41089, 77344, 82178, 147437, 164356, 294874, 328712, 589748, 657424, 1179496, 1314848, 2358992, 2506429, 4717984, 5012858, 10025716, 20051432, 40102864, 80205728]

約数ペア:

[(1, 80205728), (2, 40102864), (4, 20051432), (8, 10025716), (16, 5012858), (17, 4717984), (32, 2506429), (34, 2358992), (61, 1314848), (68, 1179496), (122, 657424), (136, 589748), (244, 328712), (272, 294874), (488, 164356), (544, 147437), (976, 82178), (1037, 77344), (1952, 41089), (2074, 38672), (2417, 33184), (4148, 19336), (4834, 16592), (8296, 9668)]