51359920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 126277632

約数和(自身を除く): 74917712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 184, 206, 230, 271, 368, 412, 460, 515, 542, 824, 920, 1030, 1084, 1355, 1648, 1840, 2060, 2168, 2369, 2710, 4120, 4336, 4738, 5420, 6233, 8240, 9476, 10840, 11845, 12466, 18952, 21680, 23690, 24932, 27913, 31165, 37904, 47380, 49864, 55826, 62330, 94760, 99728, 111652, 124660, 139565, 189520, 223304, 249320, 279130, 446608, 498640, 558260, 641999, 1116520, 1283998, 2233040, 2567996, 3209995, 5135992, 6419990, 10271984, 12839980, 25679960, 51359920]

約数ペア:

[(1, 51359920), (2, 25679960), (4, 12839980), (5, 10271984), (8, 6419990), (10, 5135992), (16, 3209995), (20, 2567996), (23, 2233040), (40, 1283998), (46, 1116520), (80, 641999), (92, 558260), (103, 498640), (115, 446608), (184, 279130), (206, 249320), (230, 223304), (271, 189520), (368, 139565), (412, 124660), (460, 111652), (515, 99728), (542, 94760), (824, 62330), (920, 55826), (1030, 49864), (1084, 47380), (1355, 37904), (1648, 31165), (1840, 27913), (2060, 24932), (2168, 23690), (2369, 21680), (2710, 18952), (4120, 12466), (4336, 11845), (4738, 10840), (5420, 9476), (6233, 8240)]