25679960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 61102080

約数和(自身を除く): 35422120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 271, 412, 460, 515, 542, 824, 920, 1030, 1084, 1355, 2060, 2168, 2369, 2710, 4120, 4738, 5420, 6233, 9476, 10840, 11845, 12466, 18952, 23690, 24932, 27913, 31165, 47380, 49864, 55826, 62330, 94760, 111652, 124660, 139565, 223304, 249320, 279130, 558260, 641999, 1116520, 1283998, 2567996, 3209995, 5135992, 6419990, 12839980, 25679960]

約数ペア:

[(1, 25679960), (2, 12839980), (4, 6419990), (5, 5135992), (8, 3209995), (10, 2567996), (20, 1283998), (23, 1116520), (40, 641999), (46, 558260), (92, 279130), (103, 249320), (115, 223304), (184, 139565), (206, 124660), (230, 111652), (271, 94760), (412, 62330), (460, 55826), (515, 49864), (542, 47380), (824, 31165), (920, 27913), (1030, 24932), (1084, 23690), (1355, 18952), (2060, 12466), (2168, 11845), (2369, 10840), (2710, 9476), (4120, 6233), (4738, 5420)]