8120008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 16531200

約数和(自身を除く): 8411192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 479, 652, 958, 1304, 1916, 2119, 3832, 4238, 6227, 8476, 12454, 16952, 24908, 49816, 78077, 156154, 312308, 624616, 1015001, 2030002, 4060004, 8120008]

約数ペア:

[(1, 8120008), (2, 4060004), (4, 2030002), (8, 1015001), (13, 624616), (26, 312308), (52, 156154), (104, 78077), (163, 49816), (326, 24908), (479, 16952), (652, 12454), (958, 8476), (1304, 6227), (1916, 4238), (2119, 3832)]