51738280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 129211200

約数和(自身を除く): 77472920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 1993, 2360, 2596, 3245, 3986, 5192, 6490, 7972, 9965, 12980, 15944, 19930, 21923, 25960, 39860, 43846, 79720, 87692, 109615, 117587, 175384, 219230, 235174, 438460, 470348, 587935, 876920, 940696, 1175870, 1293457, 2351740, 2586914, 4703480, 5173828, 6467285, 10347656, 12934570, 25869140, 51738280]

約数ペア:

[(1, 51738280), (2, 25869140), (4, 12934570), (5, 10347656), (8, 6467285), (10, 5173828), (11, 4703480), (20, 2586914), (22, 2351740), (40, 1293457), (44, 1175870), (55, 940696), (59, 876920), (88, 587935), (110, 470348), (118, 438460), (220, 235174), (236, 219230), (295, 175384), (440, 117587), (472, 109615), (590, 87692), (649, 79720), (1180, 43846), (1298, 39860), (1993, 25960), (2360, 21923), (2596, 19930), (3245, 15944), (3986, 12980), (5192, 9965), (6490, 7972)]