808807480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{9907}}^1$

素因数の和:10088

約数の個数: 64

約数和(自身を含む): 1972484640

約数和(自身を除く): 1163677160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 2041, 3140, 4082, 6280, 8164, 9907, 10205, 16328, 19814, 20410, 39628, 40820, 49535, 79256, 81640, 99070, 128791, 198140, 257582, 396280, 515164, 643955, 1030328, 1287910, 1555399, 2575820, 3110798, 5151640, 6221596, 7776995, 12443192, 15553990, 20220187, 31107980, 40440374, 62215960, 80880748, 101100935, 161761496, 202201870, 404403740, 808807480]

約数ペア:

[(1, 808807480), (2, 404403740), (4, 202201870), (5, 161761496), (8, 101100935), (10, 80880748), (13, 62215960), (20, 40440374), (26, 31107980), (40, 20220187), (52, 15553990), (65, 12443192), (104, 7776995), (130, 6221596), (157, 5151640), (260, 3110798), (314, 2575820), (520, 1555399), (628, 1287910), (785, 1030328), (1256, 643955), (1570, 515164), (2041, 396280), (3140, 257582), (4082, 198140), (6280, 128791), (8164, 99070), (9907, 81640), (10205, 79256), (16328, 49535), (19814, 40820), (20410, 39628)]