51691580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 114476544

約数和(自身を除く): 62784964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 412, 460, 515, 1030, 1091, 2060, 2182, 2369, 4364, 4738, 5455, 9476, 10910, 11845, 21820, 23690, 25093, 47380, 50186, 100372, 112373, 125465, 224746, 250930, 449492, 501860, 561865, 1123730, 2247460, 2584579, 5169158, 10338316, 12922895, 25845790, 51691580]

約数ペア:

[(1, 51691580), (2, 25845790), (4, 12922895), (5, 10338316), (10, 5169158), (20, 2584579), (23, 2247460), (46, 1123730), (92, 561865), (103, 501860), (115, 449492), (206, 250930), (230, 224746), (412, 125465), (460, 112373), (515, 100372), (1030, 50186), (1091, 47380), (2060, 25093), (2182, 23690), (2369, 21820), (4364, 11845), (4738, 10910), (5455, 9476)]